| Año | Valor |
|---|---|
| 1962-01-01 | 170000.001788 |
| 1963-01-01 | 550000.011921 |
| 1964-01-01 | 230000.004172 |
| 1965-01-01 | 200000.002980 |
| 1966-01-01 | 180000.007153 |
| 1967-01-01 | 150000.005960 |
| 1968-01-01 | 129999.995232 |
| 1969-01-01 | 1399999.976158 |
| 1970-01-01 | 180000.007153 |
| 1971-01-01 | 319999.992847 |
| 1972-01-01 | 70000.000298 |
| 1973-01-01 | 200000.002980 |
| 1974-01-01 | 819999.992847 |
| 1975-01-01 | 829999.983311 |
| 1976-01-01 | 1110000.014305 |
| 1977-01-01 | 2549999.952316 |
| 1978-01-01 | 2029999.971390 |
| 1979-01-01 | 1850000.023842 |
| 1980-01-01 | 2650000.095367 |
| 1981-01-01 | 2130000.114441 |
Fuente: World Bank