| Año | Valor |
|---|---|
| 1960-01-01 | 1646.873456 |
| 1961-01-01 | 1647.285088 |
| 1962-01-01 | 1703.675206 |
| 1963-01-01 | 1781.874691 |
| 1964-01-01 | 1813.660521 |
| 1965-01-01 | 1862.586585 |
| 1966-01-01 | 1953.482836 |
| 1967-01-01 | 2031.881507 |
| 1968-01-01 | 2156.768346 |
| 1969-01-01 | 2203.417885 |
| 1970-01-01 | 2267.265370 |
| 1971-01-01 | 2329.123131 |
| 1972-01-01 | 2458.840992 |
| 1973-01-01 | 2542.124645 |
| 1974-01-01 | 2558.353659 |
| 1975-01-01 | 2683.907509 |
| 1976-01-01 | 2744.217331 |
| 1977-01-01 | 2814.946343 |
| 1978-01-01 | 2807.510657 |
| 1979-01-01 | 2747.985158 |
Fuente: World Bank