11. The accompanying table shows data from the Penn World Table, Version 7.1, for real GDP per capita (2005 U.S. dollars) for Argentina, Ghana, South Korea, and the United States in 1960 and 2010. Complete the table. Have these countries converged economically?

1960 2010 Country Real GDP per capita

(2005 dollars)

Percentage of U.S.

real GDP per capita Real GDP per capita

(2005 dollars)

Percentage of U.S.

real GDP per capita Argentina $6,043 ? $12,340 ?

Ghana 1,286 ? 2,094 ?

South Korea 1,656 ? 26,609 ?

United States 15,398 ? 41,365 ?