| Año | Valor |
|---|---|
| 1985-01-01 | 3710000.038147 |
| 1986-01-01 | 10500000.000000 |
| 1987-01-01 | 16229999.542236 |
| 1988-01-01 | 19420000.076294 |
| 1989-01-01 | 14350000.381470 |
| 1990-01-01 | 15670000.076294 |
| 1991-01-01 | 17209999.084473 |
| 1992-01-01 | 14090000.152588 |
| 1993-01-01 | 11869999.885559 |
| 1994-01-01 | 24959999.084473 |
| 1995-01-01 | 16209999.084473 |
| 1996-01-01 | 22799999.237061 |
| 1997-01-01 | 13260000.228882 |
| 1998-01-01 | 14180000.305176 |
| 1999-01-01 | 11810000.419617 |
| 2000-01-01 | 10550000.190735 |
| 2001-01-01 | 10640000.343323 |
| 2002-01-01 | 13369999.885559 |
| 2003-01-01 | 14310000.419617 |
| 2004-01-01 | 20860000.610352 |
Fuente: World Bank