| Año | Valor |
|---|---|
| 1962-01-01 | 9999.999776 |
| 1963-01-01 | 9999.999776 |
| 1979-01-01 | 300000.011921 |
| 1980-01-01 | 819999.992847 |
| 1981-01-01 | 209999.993443 |
| 1982-01-01 | 949999.988079 |
| 1983-01-01 | 1230000.019073 |
| 1984-01-01 | 1009999.990463 |
| 1985-01-01 | 1350000.023842 |
| 1986-01-01 | 509999.990463 |
| 1987-01-01 | 239999.994636 |
| 1988-01-01 | 2069999.933243 |
| 1989-01-01 | 4119999.885559 |
| 1990-01-01 | 2450000.047684 |
| 1991-01-01 | 9520000.457764 |
| 1992-01-01 | 6170000.076294 |
| 1993-01-01 | 13130000.114441 |
| 1994-01-01 | 17010000.228882 |
| 1995-01-01 | 22840000.152588 |
| 1996-01-01 | 19959999.084473 |
Fuente: World Bank