| Año | Valor |
|---|---|
| 1976-01-01 | 51248109.369902 |
| 1977-01-01 | 30433091.955314 |
| 1978-01-01 | -66014577.452948 |
| 1979-01-01 | -125116250.232420 |
| 1980-01-01 | -429056908.208711 |
| 1981-01-01 | -281709354.142344 |
| 1982-01-01 | -219034925.794973 |
| 1983-01-01 | -627364411.518151 |
| 1984-01-01 | -163956807.990168 |
| 1985-01-01 | -387088094.569292 |
| 1986-01-01 | -353626437.691916 |
| 1987-01-01 | -437359169.588020 |
| 1988-01-01 | -293559842.461903 |
| 1989-01-01 | -304005158.542586 |
| 1990-01-01 | -161365157.602299 |
| 1991-01-01 | -147154496.747451 |
| 1992-01-01 | -131606599.462699 |
| 1993-01-01 | -33736619.138744 |
| 1994-01-01 | -89537868.035617 |
| 1995-01-01 | 92383401.845079 |
Fuente: World Bank