Table 6-1b,,, Mexican Merchandise Trade With Canada and the,,, United States by Mode of Transportation,,, (Millions of current U.S. dollars),,, ,,, ,1990a,1995,1996p ,,, Total trade with Canada ,917,"3,354","3,914" Air ,U,264,237 Water transport ,U,381,551 Road ,U,"1,174","1,501" Rail ,U,"1,301","1,467" Pipeline ,NA,NA,NA ,,, Exports to Canada ,458,"1,979","2,170" Air ,U,94,103 Water transport ,U,118,181 Road ,U,557,606 Rail ,U,"1,094","1,272" Pipeline ,NA,NA,NA ,,, Imports from Canada ,458,"1,374","1,744" Air ,U,170,134 Water transport ,U,263,370 Road ,U,617,895 Rail ,U,207,195 Pipeline ,NA,NA,NA ,,, Total trade with the United States ,"38,909","120,142","147,977" Air ,U,"3,544","4,438" Water transport ,U,"10,905","14,620" Road ,U,"85,034","101,933" Rail ,U,"12,345","17,541" Pipeline ,U,U,U ,,, Exports to the United States ,"18,418","66,336","80,541" Air ,U,"1,794","2,097" Water transport ,U,"8,655","11,306" Road ,U,"46,272","53,752" Rail ,U,"8,784","12,681" Pipeline ,U,U,U ,,, Imports from the United States ,"20,491","53,806","67,437" Air ,U,"1,750","2,341" Water transport ,U,"2,250","3,314" Road ,U,"38,762","48,181" Rail ,U,"3,561","4,859" Pipeline ,U,U,U aData for 1990 does not include maquiladora trade.,, KEY: NA = Not applicable. p = Data are preliminary. U = Data are unavailable.,, ,, NOTES,, See Appendix B for information on the proportion of maquiladora trade in 1995 and 1996.,, Mexican total merchandise trade with Canada and the United States: Individual modes do not sum to total trade figures because not all,, Mexican modes of transportation are included here. See Appendix B for Mexican modes not specifically identified on this table.,, "SOURCE: Instituto Nacional de Estadística, Geografía e Informática. Dirección General de Estadística. Dirección de Estadísticas",, "Económicas. Based on data developed through an interagency working group including the Secretaría de Hacienda y Crédito Público,",, "Banco de México and Instituto Nacional de Estadística, Geografía e Informática. (Mexico City, D.F.: 1999).",,