                                                                           

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                              -3,064      21,314      24,377      -3,762      19,860      23,622

Advanced Materials                     56         201         145          49         192         143

Aerospace                           4,008       6,163       2,155       4,170       6,246       2,075
Biotechnology                       1,071       1,577         505         631       1,080         449
Electronics                         1,853       3,538       1,685       1,616       3,293       1,677
Flexible Manufacturing                638       1,075         437         525       1,005         481
Information and Communications     -8,580       5,796      14,377      -8,322       5,263      13,586
Life Science                       -1,306       2,182       3,488      -1,259       2,109       3,367
Nuclear Technology                    127         358         231        -176         133         309
Opto-Electronics                     -938         353       1,291      -1,057         404       1,461
Weapons                                 7          71          64          62         135          73
Total                              -3,064      21,314      24,377      -3,762      19,860      23,622

North America                        -330       3,927       4,257        -479       3,768       4,247

    Canada                            857       1,930       1,073       1,064       2,016         952
    Mexico                         -1,187       1,998       3,184      -1,543       1,752       3,295
European Union                      1,185       5,893       4,708         136       5,039       4,903
    France                             61         809         748          25         760         735
    Germany                         1,017       1,659         642         384       1,134         750
    Ireland                          -916         376       1,292      -1,074         298       1,372
    Italy                              -6         203         209         -56         192         248
    United Kingdom                    367         928         561         220       1,061         841
    Other EU                          663       1,919       1,256         637       1,594         957
Pacific Rim Countries              -6,095       7,429      13,524      -6,048       6,767      12,815
    Australia                         184         245          62         226         281          55
    China                          -6,049       1,629       7,678      -5,571       1,508       7,078
    Indonesia                          20          87          67         136         216          81
    Japan                              12       1,429       1,417        -604       1,089       1,692
    Malaysia                         -675         585       1,260        -584         568       1,152
    Philippines                       156         379         223          26         231         205
    Newly Industrialized Countri      221       3,026       2,805         289       2,826       2,537
        Hong Kong                     673         722          49         577         613          36
        Korea                        -427         717       1,144        -393         768       1,161
        Singapore                     206         783         577         215         715         500
        Taiwan                       -232         804       1,035        -111         730         841
    Other Pacific Rim                  37          49          13          34          48          14
South/Central America               1,493       1,949         456       1,550       1,934         383
    Brazil                            721         757          36         847         866          19
    Other S/C America                 772       1,192         420         703       1,067         364
Other Countries                       683       2,115       1,432       1,079       2,353       1,274
    India                              53         179         126          41         160         119
    Israel                            -72         150         223           5         221         215
    Thailand                         -356         224         580        -368         201         569
    Other                           1,059       1,562         503       1,400       1,771         371
                                                                           

_________________

                                March                               April
Technology Group                Balance     Exports     Imports     Balance     Exports     Imports

Total                              -4,698      23,950      28,648      -5,798      21,185      26,983

Advanced Materials                     26         181         156         -10         153         163

Aerospace                           3,996       6,893       2,897       3,747       6,427       2,680
Biotechnology                         737       1,308         571         423         805         381
Electronics                         1,934       3,965       2,030       1,770       3,829       2,058
Flexible Manufacturing                728       1,387         659         482       1,158         676
Information and Communications     -9,377       6,586      15,963      -9,784       5,894      15,678
Life Science                       -1,516       2,577       4,093        -830       2,127       2,956
Nuclear Technology                    -33         176         208        -259         122         381
Opto-Electronics                   -1,447         552       2,000      -1,427         482       1,909
Weapons                               254         325          71          89         189         100
Total                              -4,698      23,950      28,648      -5,798      21,185      26,983

North America                        -451       4,696       5,147        -690       4,102       4,792

    Canada                          1,390       2,517       1,126       1,106       2,112       1,006
    Mexico                         -1,841       2,180       4,021      -1,796       1,990       3,786
European Union                       -240       6,028       6,268         248       5,190       4,941
    France                           -331         934       1,265        -215         881       1,095
    Germany                           545       1,506         961         423       1,180         757
    Ireland                        -1,403         371       1,774        -650         350       1,000
    Italy                             -38         235         273         -19         226         246
    United Kingdom                    474       1,145         671          31         846         815
    Other EU                          514       1,837       1,324         678       1,707       1,029
Pacific Rim Countries              -6,612       8,409      15,021      -7,997       7,334      15,331
    Australia                         272         334          63         289         366          76
    China                          -6,382       1,674       8,056      -6,950       1,599       8,548
    Indonesia                          47         169         122          28         131         102
    Japan                            -639       1,413       2,052        -950         956       1,906
    Malaysia                         -677         681       1,358        -593         697       1,291
    Philippines                        19         263         244          26         262         236
    Newly Industrialized Countri      691       3,800       3,109         104       3,255       3,151
        Hong Kong                     650         697          48         694         741          47
        Korea                        -136       1,148       1,284        -469         823       1,292
        Singapore                     415       1,051         636         205         878         674
        Taiwan                       -238         903       1,141        -325         813       1,138
    Other Pacific Rim                  57          75          17          48          68          21
South/Central America               1,633       2,285         653       1,457       1,952         495
    Brazil                          1,055       1,081          27         744         791          48
    Other S/C America                 578       1,204         626         713       1,161         448
Other Countries                       971       2,531       1,560       1,184       2,608       1,423
    India                             124         268         144         169         297         128
    Israel                            -48         195         243          -5         179         184
    Thailand                         -448         221         669        -416         233         649
    Other                           1,343       1,847         504       1,436       1,898         462
                                                                           
                                                                           
SOURCE: Report U.S. International Trade in Goods and Services: Annual
Report for 2010 (CB-11-97, BEA-11-27), 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.
