The graph shows US trade with Mexico. A bar graph showing imports from Mexico and exports to Mexico. The x axis shows years, from 1985 to 2010, and the y axis shows billions of U S Dollars, from 0 to 250. Imports from Mexico: 1985, 20; 1990, 30; 1995, 60; 2000, 140; 2005, 170; 2010, 270. Exports to Mexico: 1985, 15; 1990, 30; 1995, 50; 2000, 115; 2005, 120; 2010, 140. In what years did US exports to Mexico remain approximately the same?