| Año | Valor |
|---|---|
| 1971-01-01 | 511542.800000 |
| 1972-01-01 | 1400553.000000 |
| 1973-01-01 | 12126962.300000 |
| 1974-01-01 | -4485977.800000 |
| 1975-01-01 | -740875.500000 |
| 1976-01-01 | -23506536.200000 |
| 1977-01-01 | -1109196.300000 |
| 1978-01-01 | 35650604.900000 |
| 1979-01-01 | 11227936.200000 |
| 1980-01-01 | 96420682.600000 |
| 1981-01-01 | -2034823.800000 |
| 1982-01-01 | 18700000.000000 |
| 1983-01-01 | 7650000.000000 |
| 1984-01-01 | -23955520.700000 |
| 1985-01-01 | -23538245.200000 |
| 1986-01-01 | 96562689.100000 |
| 1987-01-01 | -34511269.200000 |
| 1988-01-01 | 32819436.500000 |
| 1989-01-01 | 46512266.300000 |
| 1990-01-01 | -14826813.800000 |
Fuente: World Bank