| Año | Valor |
|---|---|
| 1963-01-01 | 9999.999776 |
| 1964-01-01 | 9999.999776 |
| 1965-01-01 | 9999.999776 |
| 1966-01-01 | 50000.000745 |
| 1967-01-01 | 239999.994636 |
| 1968-01-01 | 9999.999776 |
| 1969-01-01 | 70000.000298 |
| 1970-01-01 | 100000.001490 |
| 1971-01-01 | 59999.998659 |
| 1972-01-01 | 9999.999776 |
| 1973-01-01 | 119999.997318 |
| 1974-01-01 | 200000.002980 |
| 1975-01-01 | 59999.998659 |
| 1976-01-01 | 629999.995232 |
| 1977-01-01 | 600000.023842 |
| 1978-01-01 | 610000.014305 |
| 1979-01-01 | 1429999.947548 |
| 1980-01-01 | 400000.005960 |
| 1981-01-01 | 439999.997616 |
| 1982-01-01 | 200000.002980 |
Fuente: World Bank