| Año | Valor |
|---|---|
| 1990-01-01 | 192563818.600000 |
| 1991-01-01 | 162120848.800000 |
| 1992-01-01 | 171534756.200000 |
| 1993-01-01 | 194073498.900000 |
| 1994-01-01 | 206589283.500000 |
| 1995-01-01 | 226075889.400000 |
| 1996-01-01 | 245230121.600000 |
| 1997-01-01 | 257933181.400000 |
| 1998-01-01 | 286284410.200000 |
| 1999-01-01 | 194052361.700000 |
| 2000-01-01 | 205000165.900000 |
| 2001-01-01 | 193919096.700000 |
| 2002-01-01 | 196078012.300000 |
| 2003-01-01 | 243178631.700000 |
| 2004-01-01 | 247336248.700000 |
| 2005-01-01 | 264590462.600000 |
| 2006-01-01 | 284189936.200000 |
| 2007-01-01 | 237476603.000000 |
| 2008-01-01 | 440220461.400000 |
| 2009-01-01 | 223530832.800000 |
Fuente: World Bank