| Año | Valor |
|---|---|
| 1966-01-01 | 100000.001490 |
| 1967-01-01 | 129999.995232 |
| 1968-01-01 | 150000.005960 |
| 1969-01-01 | 200000.002980 |
| 1970-01-01 | 189999.997616 |
| 1971-01-01 | 189999.997616 |
| 1972-01-01 | 159999.996424 |
| 1973-01-01 | 330000.013113 |
| 1974-01-01 | 680000.007153 |
| 1975-01-01 | 550000.011921 |
| 1976-01-01 | 769999.980927 |
| 1977-01-01 | 2579999.923706 |
| 1978-01-01 | 3829999.923706 |
| 1979-01-01 | 4869999.885559 |
| 1980-01-01 | 1529999.971390 |
| 1981-01-01 | 3579999.923706 |
| 1982-01-01 | 2950000.047684 |
| 1983-01-01 | 2769999.980927 |
| 1984-01-01 | 1629999.995232 |
| 1985-01-01 | 1549999.952316 |
Fuente: World Bank