| Año | Valor |
|---|---|
| 2001-01-01 | 1.683799 |
| 2002-01-01 | 2.485566 |
| 2003-01-01 | 2.711340 |
| 2004-01-01 | 4.173296 |
| 2005-01-01 | 4.421433 |
| 2006-01-01 | 4.797009 |
| 2007-01-01 | 4.564384 |
| 2008-01-01 | 6.148498 |
| 2009-01-01 | 3.357000 |
| 2010-01-01 | 4.126723 |
| 2011-01-01 | 5.204092 |
| 2012-01-01 | 5.122276 |
| 2013-01-01 | 6.796011 |
| 2014-01-01 | 5.460570 |
| 2015-01-01 | 4.857187 |
| 2016-01-01 | 4.263921 |
| 2017-01-01 | 4.195206 |
| 2018-01-01 | 4.223624 |
| 2019-01-01 | 2.216706 |
| 2020-01-01 | -8.737884 |
Fuente: World Bank