| Año | Valor |
|---|---|
| 1993-01-01 | 5369999.885559 |
| 1994-01-01 | 9579999.923706 |
| 1995-01-01 | 11310000.419617 |
| 1996-01-01 | 12460000.038147 |
| 1997-01-01 | 13479999.542236 |
| 1998-01-01 | 7210000.038147 |
| 1999-01-01 | 5980000.019073 |
| 2000-01-01 | 5670000.076294 |
| 2001-01-01 | 8819999.694824 |
| 2002-01-01 | 14640000.343323 |
| 2003-01-01 | 12069999.694824 |
| 2004-01-01 | 11850000.381470 |
| 2005-01-01 | 14869999.885559 |
| 2006-01-01 | 17000000.000000 |
| 2007-01-01 | 22799999.237061 |
| 2008-01-01 | 21479999.542236 |
| 2009-01-01 | 24290000.915527 |
| 2010-01-01 | 19020000.457764 |
| 2011-01-01 | 27000000.000000 |
| 2012-01-01 | 27979999.542236 |
Fuente: World Bank