| Año | Valor |
|---|---|
| 1998-01-01 | 4000000.000000 |
| 1999-01-01 | 3460000.038147 |
| 2000-01-01 | 2799999.952316 |
| 2001-01-01 | 3220000.028610 |
| 2002-01-01 | 3289999.961853 |
| 2003-01-01 | 3789999.961853 |
| 2004-01-01 | 3380000.114441 |
| 2005-01-01 | 3700000.047684 |
| 2006-01-01 | 3640000.104904 |
| 2007-01-01 | 5070000.171661 |
| 2008-01-01 | 6409999.847412 |
| 2009-01-01 | 6400000.095367 |
| 2010-01-01 | 5849999.904633 |
| 2011-01-01 | 5820000.171661 |
| 2012-01-01 | 5449999.809265 |
| 2013-01-01 | 7739999.771118 |
| 2014-01-01 | 5030000.209808 |
| 2015-01-01 | 3599999.904633 |
| 2016-01-01 | 3000000.000000 |
| 2017-01-01 | 2839999.914169 |
Fuente: World Bank