"Prior to 1965, the demographics of immigration stood as mostly Europeans; 68 percent of legal immigrants in the 1950s came from Europe and Canada. However, in the years 1971–1991, immigrants from Hispanic and Latin American countries made 47.9 percent of immigrants (with Mexico accounting for 23.7 percent) and immigrants from Asia 35.2 percent. Not only did it change the ethnic makeup of immigration, but it also greatly increased the number of immigrants"