During the 100 years from 1916 to 2016, what was the growth rate of real GDP per person in the United States? Question content area bottom Part 1 During the 100 years from 1916 to 2016, real GDP per person in the United States grew at ______. A. an average of 4 percent a year B. 3 percent a year in most decades C. 2.0 percent each decade D. an average of 2 percent a year