| Año | Valor |
|---|---|
| 1986-01-01 | 2369999.885559 |
| 1987-01-01 | 2039999.961853 |
| 1988-01-01 | 2839999.914169 |
| 1989-01-01 | 4510000.228882 |
| 1990-01-01 | 6239999.771118 |
| 1991-01-01 | 4380000.114441 |
| 1992-01-01 | 19489999.771118 |
| 1993-01-01 | 9449999.809265 |
| 1994-01-01 | 7000000.000000 |
| 1995-01-01 | 46520000.457764 |
| 1996-01-01 | 59909999.847412 |
| 1997-01-01 | 6199999.809265 |
| 1998-01-01 | 24329999.923706 |
| 1999-01-01 | 12569999.694824 |
| 2000-01-01 | 9310000.419617 |
| 2001-01-01 | 9500000.000000 |
| 2002-01-01 | 19120000.839233 |
| 2003-01-01 | 14239999.771118 |
| 2004-01-01 | 17309999.465942 |
| 2005-01-01 | 10329999.923706 |
Fuente: World Bank