| Año | Valor |
|---|---|
| 1976-01-01 | 0.051219 |
| 1977-01-01 | 0.055744 |
| 1978-01-01 | 0.053190 |
| 1979-01-01 | 0.022170 |
| 1980-01-01 | 0.031458 |
| 1981-01-01 | 0.081336 |
| 1982-01-01 | 0.048211 |
| 1983-01-01 | 0.092353 |
| 1984-01-01 | 0.094014 |
| 1985-01-01 | 0.111581 |
| 1986-01-01 | 0.202052 |
| 1987-01-01 | 0.197794 |
| 1988-01-01 | 0.097877 |
| 1989-01-01 | 0.180239 |
| 1990-01-01 | 0.094503 |
| 1991-01-01 | 0.063632 |
| 1992-01-01 | 0.067330 |
| 1993-01-01 | 0.073238 |
| 1994-01-01 | 0.075235 |
| 1995-01-01 | 0.080415 |
Fuente: World Bank