| Año | Valor |
|---|---|
| 1996-01-01 | 1968220000.000000 |
| 1997-01-01 | 2357040000.000000 |
| 1998-01-01 | 2489300000.000000 |
| 1999-01-01 | 2342000000.000000 |
| 2000-01-01 | 2442844000.000000 |
| 2001-01-01 | 2311969800.000000 |
| 2002-01-01 | 2379915000.000000 |
| 2003-01-01 | 2421803168.657880 |
| 2004-01-01 | 2791557489.725620 |
| 2005-01-01 | 3362182546.414860 |
| 2006-01-01 | 4089585617.544930 |
| 2007-01-01 | 4999477982.640480 |
| 2008-01-01 | 6660923420.610080 |
| 2009-01-01 | 6062230000.000000 |
| 2010-01-01 | 7126195498.397480 |
| 2011-01-01 | 9899628535.833160 |
| 2012-01-01 | 11689614872.554900 |
| 2013-01-01 | 13139172258.084700 |
| 2014-01-01 | 14715527630.785300 |
| 2015-01-01 | 13145353349.396600 |
Fuente: World Bank