| Año | Valor |
|---|---|
| 2000-01-01 | 17334777888.126200 |
| 2001-01-01 | 17626660726.911700 |
| 2002-01-01 | 18064782966.664800 |
| 2003-01-01 | 18554580623.708800 |
| 2004-01-01 | 19328918118.465700 |
| 2005-01-01 | 20183533307.223000 |
| 2006-01-01 | 21151739180.876800 |
| 2007-01-01 | 22117185836.643000 |
| 2008-01-01 | 23477060537.735100 |
| 2009-01-01 | 24265185360.046400 |
| 2010-01-01 | 25266542246.061200 |
| 2011-01-01 | 26581436461.717600 |
| 2012-01-01 | 27943010890.653300 |
| 2013-01-01 | 29842021104.139600 |
| 2014-01-01 | 31471565408.631200 |
| 2015-01-01 | 33000198248.914600 |
| 2016-01-01 | 34407300587.152400 |
| 2017-01-01 | 35850757840.606800 |
| 2018-01-01 | 37364958928.441500 |
| 2019-01-01 | 38193230080.246300 |
Fuente: World Bank