INB, método Atlas (US$ a precios actuales)
1962
1968
1975
1981
1988
1994
2001
2007
2014
2020
-2,000,000,000
0
2,000,000,000
4,000,000,000
6,000,000,000
8,000,000,000
10,000,000,000
12,000,000,000
14,000,000,000
16,000,000,000
18,000,000,000
20,000,000,000
Botswana |