| Año | Valor |
|---|---|
| 1996-01-01 | 2800000.000000 |
| 1997-01-01 | 6800000.000000 |
| 1998-01-01 | 9700000.000000 |
| 1999-01-01 | 26600000.000000 |
| 2000-01-01 | 31200000.000000 |
| 2001-01-01 | 30180000.000000 |
| 2002-01-01 | 34100000.000000 |
| 2003-01-01 | 40381410.246115 |
| 2004-01-01 | 46179782.926163 |
| 2005-01-01 | 62464367.350450 |
| 2006-01-01 | 69596356.366867 |
| 2007-01-01 | 76218289.447000 |
| 2008-01-01 | 102890649.600716 |
| 2009-01-01 | 99720000.000000 |
| 2010-01-01 | 103534071.700000 |
| 2011-01-01 | 117431765.447796 |
| 2012-01-01 | 147352141.874237 |
| 2013-01-01 | 169698357.513378 |
| 2014-01-01 | 179723866.765761 |
| 2015-01-01 | 208709393.784743 |
Fuente: World Bank