| Año | Valor |
|---|---|
| 1981-01-01 | 15.407801 |
| 1982-01-01 | 235.899136 |
| 1983-01-01 | 191.748147 |
| 1984-01-01 | 970.982513 |
| 1985-01-01 | -5379.350669 |
| 1986-01-01 | -113.400627 |
| 1987-01-01 | -30.146879 |
| 1988-01-01 | -8.300370 |
| 1989-01-01 | -13.619174 |
| 1990-01-01 | -9.342770 |
| 1991-01-01 | -10.022225 |
| 1992-01-01 | -7.949659 |
| 1993-01-01 | 28.454138 |
| 1994-01-01 | -1.488807 |
| 1995-01-01 | 1.195463 |
| 1996-01-01 | -6.464704 |
| 1997-01-01 | 1.455639 |
| 1998-01-01 | 4.261741 |
| 1999-01-01 | 0.117490 |
| 2000-01-01 | 3.111497 |
Fuente: World Bank