need help with bottom part

1. Imports, exports, and the trade balance The following table shows the approximete value of exports and imports for the United States from 1968 through 1972. Complete the table by calculating the surplus or deficit both in absolute (dollar) terms and as a percentage of GDP. If necessary, round your answers to the nearest hundredth. GDP Exports Imports Exports Imports Year (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billlons of dollars) (Percentage of GDP) 1968 910.0 47.9 46.6 13 0.14 1969 985.0 51.9 50.5 1.4 0.14 1970 1,039.0 59.7 55.8 3.9 0.38 1971 1,127.0 63.0 62.3 07 0.06 1972 1,238.0 70.8 74.2 -3.4 -0.27 Source: "Income, Expenditures, Poverty, & Wealth: Gross Domestic Product (GOP)," United States Census Bureau, United States Department of Commerce, last modified September 2011, accessed June 10, 2013, https//www.census.gov/library/publications/2011/compendia/statab/131ed/income-expenditures-poverty-wealth htmi Between 1968 and 1969, the in dollar terms and as a percentage of GDP