| Año | Valor |
|---|---|
| 1980-01-01 | 11.710963 |
| 1981-01-01 | 11.485650 |
| 1982-01-01 | 23.990654 |
| 1983-01-01 | 21.684646 |
| 1984-01-01 | 14.713439 |
| 1985-01-01 | -9.094914 |
| 1986-01-01 | -7.109283 |
| 1987-01-01 | -8.812009 |
| 1988-01-01 | -8.509555 |
| 1989-01-01 | -9.428146 |
| 1990-01-01 | -9.245532 |
| 1991-01-01 | -9.442755 |
| 1992-01-01 | -10.263920 |
| 1993-01-01 | -0.325443 |
| 1994-01-01 | -0.839836 |
| 1995-01-01 | -0.248177 |
| 1996-01-01 | -2.572143 |
| 1997-01-01 | -1.648937 |
| 1998-01-01 | 0.607461 |
| 1999-01-01 | 0.653692 |
Fuente: World Bank