| Año | Valor |
|---|---|
| 1982-01-01 | 759999.990463 |
| 1983-01-01 | 699999.988079 |
| 1984-01-01 | 2529999.971390 |
| 1985-01-01 | 2829999.923706 |
| 1986-01-01 | 11720000.267029 |
| 1987-01-01 | 6949999.809265 |
| 1988-01-01 | 28340000.152588 |
| 1989-01-01 | 14350000.381470 |
| 1990-01-01 | 22270000.457764 |
| 1991-01-01 | 25719999.313355 |
| 1992-01-01 | 34849998.474121 |
| 1993-01-01 | 19420000.076294 |
| 1994-01-01 | 4840000.152588 |
| 1995-01-01 | 5570000.171661 |
| 1996-01-01 | 6070000.171661 |
| 1997-01-01 | 7900000.095367 |
| 1998-01-01 | 3460000.038147 |
| 1999-01-01 | 9130000.114441 |
| 2000-01-01 | 1759999.990463 |
| 2001-01-01 | -389999.985695 |
Fuente: World Bank