| Año | Valor |
|---|---|
| 1994-01-01 | 16352900000.000000 |
| 1995-01-01 | 18506600000.000000 |
| 1996-01-01 | 17973600000.000000 |
| 1997-01-01 | 19379600000.000000 |
| 1998-01-01 | 22041700000.000000 |
| 1999-01-01 | 27091500000.000000 |
| 2000-01-01 | 31213800000.000000 |
| 2001-01-01 | 36760230000.000000 |
Fuente: World Bank