                                                                           

Exhibit 15a. Exports, Imports and Balance of Advanced Technology
Products by Technology Group and Selected Countries and Areas
"
In millions of dollars. Details may not equal totals due to rounding.

                                January                             February
Technology Group                Balance     Exports     Imports     Balance     Exports     Imports

Total                              -7,209      21,112      28,321      -6,014      20,991      27,005

Advanced Materials                     10         182         172          12         166         153

Aerospace                           2,937       5,405       2,468       4,188       6,585       2,397
Biotechnology                           5         668         663        -252         627         879
Electronics                           946       3,757       2,811         733       3,319       2,586
Flexible Manufacturing               -138       1,196       1,335        -221       1,060       1,282
Information and Communications     -8,853       6,799      15,652      -8,081       6,253      14,333
Life Science                         -972       2,200       3,172      -1,272       2,229       3,500
Nuclear Technology                    -72         214         286         -99         140         239
Opto-Electronics                   -1,256         446       1,703      -1,091         476       1,567
Weapons                               186         246          60          69         136          67
Total                              -7,209      21,112      28,321      -6,014      20,991      27,005

North America                         262       4,825       4,563         345       4,457       4,111

    Canada                          1,251       2,342       1,092       1,338       2,243         904
    Mexico                           -988       2,483       3,471        -993       2,214       3,207
European Union                       -430       4,961       5,390        -728       5,297       6,025
    France                            -33         738         770          19         845         826
    Germany                           100       1,022         922          92       1,021         930
    Ireland                          -877         368       1,246      -1,326         346       1,672
    Italy                               8         250         242          -4         248         252
    United Kingdom                    115         956         841         470       1,072         603
    Other EU                          257       1,626       1,369          22       1,763       1,742
Pacific Rim Countries              -9,334       6,962      16,296      -8,253       6,809      15,062
    Australia                         237         290          52         273         348          75
    China                          -7,991       1,374       9,365      -6,958       1,257       8,216
    Indonesia                         -53          69         122          -3         115         117
    Japan                            -720       1,152       1,873        -796       1,319       2,115
    Malaysia                         -438         717       1,155        -418         649       1,067
    Philippines                        14         277         263          26         249         223
    Newly Industrialized Countri     -439       3,016       3,455        -708       2,527       3,235
        Hong Kong                     539         589          50         472         534          62
        Korea                        -571         771       1,342        -697         580       1,277
        Singapore                      92         800         708         181         756         575
        Taiwan                       -499         856       1,355        -665         657       1,321
    Other Pacific Rim                  55          66          11         331         346          15
South/Central America               1,491       2,021         530       1,404       1,947         543
    Brazil                            857         881          25         795         845          50
    Other S/C America                 635       1,140         505         609       1,101         493
Other Countries                       801       2,343       1,542       1,218       2,482       1,264
    India                             114         222         108         113         221         108
    Israel                            -66         194         261         -12         190         201
    Thailand                         -348         267         615        -321         247         568
    Other                           1,101       1,660         558       1,438       1,825         387
                                                                         

_________________

                                March                               April
Technology Group                Balance     Exports     Imports     Balance     Exports     Imports

Total                              -6,765      25,356      32,121      -7,126      23,026      30,152

Advanced Materials                     17         191         174          43         201         158

Aerospace                           4,373       7,516       3,143       4,056       6,813       2,757
Biotechnology                         -94         832         926        -135         787         922
Electronics                           865       3,790       2,925         616       3,467       2,851
Flexible Manufacturing                366       1,488       1,122         232       1,308       1,076
Information and Communications     -9,761       7,838      17,598      -9,078       7,158      16,236
Life Science                       -1,218       2,708       3,926      -1,440       2,328       3,768
Nuclear Technology                   -113          62         175        -103         153         256
Opto-Electronics                   -1,361         697       2,058      -1,508         540       2,048
Weapons                               160         234          74         190         270          80
Total                              -6,765      25,356      32,121      -7,126      23,026      30,152

North America                         469       5,770       5,301          90       4,846       4,756

    Canada                          1,777       3,086       1,309       1,345       2,392       1,047
    Mexico                         -1,308       2,683       3,992      -1,255       2,453       3,709
European Union                       -322       6,155       6,477        -574       5,587       6,160
    France                            -64         903         968          33       1,085       1,052
    Germany                           215       1,224       1,009         144       1,039         895
    Ireland                        -1,397         364       1,761      -1,796          80       1,876
    Italy                             -13         268         282          -4         249         253
    United Kingdom                    518       1,319         800         420       1,138         718
    Other EU                          419       2,077       1,657         630       1,996       1,366
Pacific Rim Countries              -9,750       8,264      18,014      -9,461       7,534      16,994
    Australia                         275         352          77         383         472          89
    China                          -8,831       1,815      10,646      -7,857       1,436       9,292
    Indonesia                         -57          67         125          11         107          96
    Japan                            -913       1,241       2,155        -695       1,175       1,870
    Malaysia                         -464         803       1,267        -579         672       1,251
    Philippines                        -8         278         286          69         322         252
    Newly Industrialized Countri      192       3,636       3,444        -855       3,272       4,127
        Hong Kong                     794         861          67         752         815          63
        Korea                        -371         977       1,348        -797         802       1,598
        Singapore                     244         883         639         168         852         684
        Taiwan                       -476         915       1,390        -978         804       1,782
    Other Pacific Rim                  58          72          15          63          79          16
South/Central America               1,634       2,304         670       1,547       2,219         672
    Brazil                            833         920          87         806         873          67
    Other S/C America                 801       1,385         584         741       1,346         605
Other Countries                     1,204       2,864       1,660       1,270       2,840       1,569
    India                              82         226         145         106         212         105
    Israel                             51         292         242          27         217         191
    Thailand                         -493         237         730        -463         228         692
    Other                           1,565       2,108         543       1,601       2,182         582

NOTES:
* Due to non-disclosure requirements, certain 10-digit Schedule B 
commodity classifications are subject to suppression and 
require a change in aggregation.   
As a result, Advanced Technology Product exports are overstated. 
For additional information see www.census.gov/ft900. 

* Data not available on a BOP basis.  For information on data sources, 
nonsampling errors and definitions, see the information section on page
A-1 of the FT-900 release, or at www.census.gov/ft900 or
www.bea.gov/newsreleases/international/trade/tradnewsrelease.htm.
                                                                         
SOURCE: Report U.S. International Trade in Goods and Services: Annual
Report for 2011 (CB-12-103, BEA-12-24), Bureau of the Census, Foreign
Trade Division.  For more information, contact Matthew Przybocki (301-763-3148)
or Maria Iseman (301-763-2311), Foreign Trade Division.
