| Año | Valor |
|---|---|
| 1996-01-01 | 236800000.000000 |
| 1997-01-01 | 294700000.000000 |
| 1998-01-01 | 289300000.000000 |
| 1999-01-01 | 353300000.000000 |
| 2000-01-01 | 365004000.000000 |
| 2001-01-01 | 332526000.000000 |
| 2002-01-01 | 307920000.000000 |
| 2003-01-01 | 373690343.657875 |
| 2004-01-01 | 460603540.694235 |
| 2005-01-01 | 497638010.944860 |
| 2006-01-01 | 632690162.601822 |
| 2007-01-01 | 859272888.000481 |
| 2008-01-01 | 882808419.610082 |
| 2009-01-01 | 906440000.000000 |
| 2010-01-01 | 970607913.037681 |
| 2011-01-01 | 1122528484.613090 |
| 2012-01-01 | 1770703615.993510 |
| 2013-01-01 | 2078488797.891060 |
| 2014-01-01 | 1796939462.832760 |
| 2015-01-01 | 1238203074.136840 |
Fuente: World Bank