| Año | Valor |
|---|---|
| 1980-01-01 | 553358366.000000 |
| 1981-01-01 | 429267402.056925 |
| 1982-01-01 | 562569850.172806 |
| 1983-01-01 | 508816422.275502 |
| 1984-01-01 | 533100460.182791 |
| 1985-01-01 | 492491229.182777 |
| 1986-01-01 | 513310580.538569 |
| 1987-01-01 | 530316463.410677 |
| 1988-01-01 | 472580567.915840 |
| 1989-01-01 | 563347083.000000 |
| 1990-01-01 | 510931171.639826 |
| 1991-01-01 | 422359443.149443 |
| 1992-01-01 | 479572082.597048 |
| 1993-01-01 | 572438127.381549 |
| 1994-01-01 | 793388690.272346 |
| 1995-01-01 | 1005482847.427880 |
| 1996-01-01 | 1301661210.809970 |
| 1997-01-01 | 1359051283.440070 |
| 1998-01-01 | 1218866920.234890 |
| 1999-01-01 | 1248580099.596800 |
Fuente: World Bank