The Rate of Real Per Capita GDP Growth in the United

The rate of real per capita GDP growth in the United States

A) has consistently exceeded that of every other major nation except Japan.
B) steadily increased by 4 percent during each decade from 1870 to 1970.
C) has not been affected by changes in labor force productivity.
D) has averaged about 2 percent per year over the last century.
E) has averaged in excess of 5 percent per year in the decades since World War II.