                                                                           

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

stub                                                                                                 

Total                              -3,342      18,310      21,652      -1,338      18,460      19,798

Advanced Materials                    -63          95         157         -47         106         153
Aerospace                           3,081       5,345       2,264       4,183       6,268       2,085
Biotechnology                          81         473         393          48         364         317
Electronics                         1,953       4,155       2,201       1,795       3,922       2,127
Flexible Manufacturing                212       1,060         848         272         994         722
Information and Communications     -6,947       5,187      12,134      -6,041       4,871      10,912
Life Science                       -1,152       1,349       2,501        -929       1,361       2,290
Nuclear Technology                     74         166          91        -174          34         208
Opto-Electronics                     -674         323         997        -536         400         936
Weapons                                93         157          65          91         140          49

Total                              -3,342      18,310      21,652      -1,338      18,460      19,798

North America                        -162       3,275       3,436         287       3,132       2,845
    Canada                            404       1,803       1,399         857       1,810         953
    Mexico                           -565       1,472       2,037        -570       1,322       1,892
European Union                        425       4,770       4,345         387       4,709       4,322
    France                            174         899         726        -185         656         841
    Germany                            56         807         751         -25         973         998
    Ireland                          -709         335       1,044        -480         381         861
    Italy                              24         202         178          31         185         154
    United Kingdom                    334         984         650         257         956         700
    Other EU                          547       1,543         996         789       1,557         769
Pacific Rim Countries              -5,332       7,280      12,612      -4,431       6,804      11,235
    China                          -4,431       1,021       5,451      -3,491       1,038       4,528
    Japan                            -519       1,315       1,833        -561       1,421       1,981
    Australia                         496         533          37         175         215          40
    Indonesia                         -32          23          55         -39          21          60
    Malaysia                       -1,300         602       1,903      -1,086         612       1,699
    Philippines                       139         439         301          96         382         286
    Newly Industrialized Countri       76       3,098       3,022         300       2,931       2,631
        Hong Kong                     388         451          63         355         412          56
        Korea                         189       1,230       1,041          44       1,011         967
        Singapore                      16         794         778         200         907         707
        Taiwan                       -518         623       1,141        -299         601         900
    Other Pacific Rim                 239         248           9         175         184          10
South/Central America               1,047       1,240         193         840       1,140         300
    Brazil                            414         498          84         229         397         168
    Other S/C America                 633         742         109         611         743         132
Other Countries                       680       1,745       1,065       1,579       2,674       1,095
    India                              89         149          61         253         297          45
    Israel                            -37         170         207         119         316         197
    Thailand                         -275         226         501        -319         203         521
    Other                             902       1,199         297       1,526       1,858         332

_________________

                                March                               April
Technology Group                Balance     Exports     Imports     Balance     Exports     Imports

stub                                                                                                 

Total                              -2,521      22,827      25,348      -1,716      19,801      21,517

Advanced Materials                    -52         128         180         -62         108         170
Aerospace                           4,713       7,163       2,450       3,851       5,975       2,124
Biotechnology                         -12         440         452          24         357         334
Electronics                         2,137       4,651       2,515       2,237       4,552       2,315
Flexible Manufacturing                427       1,356         929         645       1,404         759
Information and Communications     -7,638       6,367      14,005      -6,851       5,296      12,147
Life Science                       -1,496       1,808       3,305        -570       1,462       2,032
Nuclear Technology                     59         253         193        -208          84         291
Opto-Electronics                     -789         462       1,251        -894         408       1,302
Weapons                               131         199          68         113         156          43

Total                              -2,521      22,827      25,348      -1,716      19,801      21,517

North America                         272       4,108       3,836          55       3,456       3,401
    Canada                          1,038       2,399       1,361         527       1,815       1,288
    Mexico                           -766       1,708       2,475        -472       1,641       2,113
European Union                        615       6,194       5,579       1,591       5,440       3,850
    France                            301       1,082         781         -53         644         697
    Germany                           221       1,317       1,097         213       1,102         889
    Ireland                        -1,031         513       1,544        -137         440         577
    Italy                              21         213         192         178         333         155
    United Kingdom                    614       1,303         688         293       1,038         745
    Other EU                          490       1,767       1,277       1,097       1,883         786
Pacific Rim Countries              -5,914       8,396      14,310      -5,446       7,300      12,746
    China                          -4,893       1,337       6,230      -3,890       1,370       5,260
    Japan                            -474       1,838       2,312        -761       1,300       2,060
    Australia                         219         269          50         286         321          35
    Indonesia                         -82          19         100         -40          23          62
    Malaysia                       -1,000       1,037       2,036      -1,411         729       2,141
    Philippines                        39         378         339          46         349         304
    Newly Industrialized Countri      239       3,466       3,228         291       3,162       2,871
        Hong Kong                     461         530          69         457         530          72
        Korea                         232       1,357       1,125         239       1,137         898
        Singapore                      -9         816         825           7         775         768
        Taiwan                       -445         764       1,209        -412         721       1,133
    Other Pacific Rim                  37          52          14          33          45          13
South/Central America               1,257       1,587         329       1,052       1,340         288
    Brazil                            385         534         148         351         525         174
    Other S/C America                 872       1,053         181         701         816         114
Other Countries                     1,248       2,543       1,294       1,033       2,265       1,233
    India                             245         290          45         220         279          59
    Israel                            -15         196         212         -15         184         200
    Thailand                         -345         282         627        -302         255         556
    Other                           1,364       1,774         411       1,130       1,547         417

NOTE:  Data not available on a Balance of Payments basis.  For information on
data sources, nonsampling errors and definitions, see the information section
on page 27 of the FT900 release, or at www.census.gov/ft900 or
www.bea.gov/bea/di/home/trade.htm.
                                                                           
SOURCE: Report U.S. International Trade in Goods and Services: Annual
Report for 2006 (CB-07-82, BEA-07-26), Bureau of the Census, Foreign
Trade Division.  For more information, contact Nick Orsini (301-763-6959)
or Vanessa Ware (301-763-2311), Foreign Trade Division.
