1998 REVISION 

PART B: NOT SEASONALLY ADJUSTED

EXHIBIT 17A. REVISIONS WITH CANADA- 1997

(In millions of dollars. Details may not equal totals due to seasonal
adjustment and rounding. (-) Zero or less than half unit shown)
            January - December 1997

  Month                    Total       Total        Car        Truck
              Balance     Exports     Imports     Imports     Imports

Jan. - Dec.     -15,467     151,767     167,234      25,125      10,042

January          -1,953      11,733      13,686       2,156         712
February         -1,376      12,102      13,477       2,326         825
March            -1,067      13,001      14,067       2,135         857
April              -857      13,289      14,147       2,292         783
May              -1,356      12,977      14,333       2,398         891
June             -1,308      12,506      13,815       2,090         957

July             -1,262      11,113      12,375       1,482         700
August           -1,301      12,256      13,556       1,911         893
September        -1,066      13,407      14,474       2,071         861
October            -871      14,093      14,964       2,071         860
November         -1,317      12,867      14,184       1,952         798
December         -1,733      12,422      14,155       2,241         905

SOURCE: Report FT900 (98) (CB-99-109), Bureau of the Census, Foreign Trade
        Division, FINAL 1998. For more information, contact Haydn R. 
        Mearkle (301-457-2246), Foreign Trade Division.