The table below shows historical data on U.S. exports and imports of goods and services for five years. For each of these years, indicate whether the United States was running a trade surplus or deficit, and dollar amount of the surplus or deficit, and calculate the ratio as a percent of the surplus or deficit to U.S. exports.

u.s. Exports 11.5. Imports Amount of (billions of (billions of Surplus or surplus/deficit Surplus] deficit as dollars) dollars) deficit (billions of dollars) a percent of exports __ _1= _1- _1- _]