| Año | Valor |
|---|---|
| 1996-01-01 | 1312930000.000000 |
| 1997-01-01 | 1413840000.000000 |
| 1998-01-01 | 1355200000.000000 |
| 1999-01-01 | 1310600000.000000 |
| 2000-01-01 | 1470024096.030000 |
| 2001-01-01 | 1520698269.971720 |
| 2002-01-01 | 1555312119.061890 |
| 2003-01-01 | 1961205035.632430 |
| 2004-01-01 | 2562015186.204250 |
| 2005-01-01 | 3279393006.378810 |
| 2006-01-01 | 4349355086.503690 |
| 2007-01-01 | 4954735466.574910 |
| 2008-01-01 | 7023072797.034590 |
| 2009-01-01 | 5429960000.000000 |
| 2010-01-01 | 6836994924.134600 |
| 2011-01-01 | 9122873526.423340 |
| 2012-01-01 | 12257994961.912700 |
| 2013-01-01 | 12752655397.156800 |
| 2014-01-01 | 14001547630.056400 |
| 2015-01-01 | 9927413077.014410 |
Fuente: World Bank