| Año | Valor |
|---|---|
| 1991-01-01 | 21600745.800000 |
| 1992-01-01 | -5619719.600000 |
| 1993-01-01 | 9401955.300000 |
| 1994-01-01 | 48806318.600000 |
| 1995-01-01 | 87807307.100000 |
| 1996-01-01 | 21398534.000000 |
| 1997-01-01 | 34296688.100000 |
| 1998-01-01 | -32401153.300000 |
| 1999-01-01 | 44209685.700000 |
| 2000-01-01 | 43121373.900000 |
| 2001-01-01 | 80272690.900000 |
| 2002-01-01 | 198944353.900000 |
| 2003-01-01 | 174337668.800000 |
| 2004-01-01 | 104245564.600000 |
| 2005-01-01 | 75653111.900000 |
| 2006-01-01 | -11188972.800000 |
| 2007-01-01 | 61800275.300000 |
| 2008-01-01 | 91807563.200000 |
| 2009-01-01 | 76642292.800000 |
| 2010-01-01 | 149373467.100000 |
Fuente: World Bank