| Año | Valor |
|---|---|
| 1996-01-01 | 1731420000.000000 |
| 1997-01-01 | 2062340000.000000 |
| 1998-01-01 | 2200000000.000000 |
| 1999-01-01 | 1988700000.000000 |
| 2000-01-01 | 2077840000.000000 |
| 2001-01-01 | 1979443800.000000 |
| 2002-01-01 | 2071995000.000000 |
| 2003-01-01 | 2048112825.000000 |
| 2004-01-01 | 2330953949.031380 |
| 2005-01-01 | 2864544535.470000 |
| 2006-01-01 | 3456895454.943110 |
| 2007-01-01 | 4140205094.640000 |
| 2008-01-01 | 5778115001.000000 |
| 2009-01-01 | 5155790000.000000 |
| 2010-01-01 | 6155587585.359800 |
| 2011-01-01 | 8777100051.220070 |
| 2012-01-01 | 9918911256.561440 |
| 2013-01-01 | 11060683460.193700 |
| 2014-01-01 | 12918588167.952600 |
| 2015-01-01 | 11907150275.259800 |
Fuente: World Bank