| Año | Valor |
|---|---|
| 1961-01-01 | 303.500000 |
| 1962-01-01 | 303.500000 |
| 1963-01-01 | 303.500000 |
| 1964-01-01 | 303.500000 |
| 1965-01-01 | 303.500000 |
| 1966-01-01 | 303.500000 |
| 1967-01-01 | 303.500000 |
| 1968-01-01 | 303.500000 |
| 1969-01-01 | 303.500000 |
| 1970-01-01 | 303.500000 |
| 1971-01-01 | 303.500000 |
| 1972-01-01 | 303.500000 |
| 1973-01-01 | 303.500000 |
| 1974-01-01 | 303.500000 |
| 1975-01-01 | 303.500000 |
| 1976-01-01 | 303.500000 |
| 1977-01-01 | 303.500000 |
| 1978-01-01 | 303.500000 |
| 1979-01-01 | 303.500000 |
| 1980-01-01 | 303.500000 |
Fuente: World Bank