Here a area graph is labeled Total volume of U.S. exports of trade goods from 1987 to 2019 (in billion U.S. dollars). A linear scale with a minimum of 1990 and a maximum of 2015 can be seen on the x-axis, labeled Year. Exports in billion U.S. dollars is drawn along a linear scale of range 0 to 1,500 on the y-axis.