| Año | Valor |
|---|---|
| 1990-01-01 | 281583301.700000 |
| 1991-01-01 | 226625460.700000 |
| 1992-01-01 | 230215771.500000 |
| 1993-01-01 | 280909874.100000 |
| 1994-01-01 | 293223364.000000 |
| 1995-01-01 | 297554882.900000 |
| 1996-01-01 | 309995434.800000 |
| 1997-01-01 | 323914341.200000 |
| 1998-01-01 | 348515756.200000 |
| 1999-01-01 | 246929804.600000 |
| 2000-01-01 | 270512258.500000 |
| 2001-01-01 | 246768327.600000 |
| 2002-01-01 | 220085211.200000 |
| 2003-01-01 | 267590034.100000 |
| 2004-01-01 | 261666188.500000 |
| 2005-01-01 | 285275152.200000 |
| 2006-01-01 | 313003054.900000 |
| 2007-01-01 | 269462261.600000 |
| 2008-01-01 | 474909327.600000 |
| 2009-01-01 | 268315767.800000 |
Fuente: World Bank