| Año | Valor |
|---|---|
| 1960-01-01 | 100.815083 |
| 1961-01-01 | 107.443478 |
| 1962-01-01 | 115.079060 |
| 1963-01-01 | 121.353277 |
| 1964-01-01 | 133.876179 |
| 1965-01-01 | 145.587113 |
| 1966-01-01 | 157.754998 |
| 1967-01-01 | 174.312743 |
| 1968-01-01 | 193.516557 |
| 1969-01-01 | 205.054759 |
| 1970-01-01 | 219.353189 |
| 1971-01-01 | 231.058297 |
| 1972-01-01 | 267.894135 |
| 1973-01-01 | 257.341860 |
| 1974-01-01 | 418.379385 |
| 1975-01-01 | 468.298148 |
| 1976-01-01 | 519.994688 |
| 1977-01-01 | 600.288223 |
| 1978-01-01 | 683.142437 |
| 1979-01-01 | 801.033734 |
Fuente: World Bank