| Año | Valor |
|---|---|
| 1996-01-01 | 1341530000.000000 |
| 1997-01-01 | 1512040000.000000 |
| 1998-01-01 | 1482600000.000000 |
| 1999-01-01 | 1467900000.000000 |
| 2000-01-01 | 1609734096.030000 |
| 2001-01-01 | 1641878269.971720 |
| 2002-01-01 | 1658552119.061890 |
| 2003-01-01 | 2032285035.632430 |
| 2004-01-01 | 2637965186.204250 |
| 2005-01-01 | 3400621025.117880 |
| 2006-01-01 | 4584798041.712980 |
| 2007-01-01 | 5324570734.859860 |
| 2008-01-01 | 7369497131.152740 |
| 2009-01-01 | 5662610000.000000 |
| 2010-01-01 | 6918664527.025330 |
| 2011-01-01 | 9259640783.469150 |
| 2012-01-01 | 12399420637.243700 |
| 2013-01-01 | 12923354978.069500 |
| 2014-01-01 | 14100527390.774200 |
| 2015-01-01 | 10038518414.695400 |
Fuente: World Bank