| Año | Valor |
|---|---|
| 2000-01-01 | 52.176914 |
| 2001-01-01 | 63.478429 |
| 2002-01-01 | 56.744877 |
| 2003-01-01 | 59.346907 |
| 2004-01-01 | 50.069674 |
| 2005-01-01 | 51.527308 |
| 2006-01-01 | 53.362729 |
| 2007-01-01 | 60.333265 |
| 2008-01-01 | 64.207385 |
| 2009-01-01 | 70.110399 |
| 2010-01-01 | 69.718738 |
| 2011-01-01 | 71.106519 |
| 2012-01-01 | 75.390015 |
| 2013-01-01 | 78.659962 |
| 2014-01-01 | 84.523068 |
| 2015-01-01 | 95.617816 |
| 2016-01-01 | 92.969381 |
| 2017-01-01 | 92.531301 |
| 2018-01-01 | 89.706955 |
| 2019-01-01 | 86.994031 |
Fuente: World Bank