| Año | Población |
|---|---|
| 2000 | 1,512,000 |
| 2001 | 1,536,000 |
| 2002 | 1,559,000 |
| 2003 | 1,581,000 |
| 2004 | 1,604,000 |
| 2005 | 1,625,000 |
| 2006 | 1,647,000 |
| 2007 | 1,669,000 |
| 2008 | 1,690,000 |
| 2009 | 1,712,000 |
| 2010 | 1,734,000 |
| 2011 | 1,756,000 |
| 2012 | 1,779,000 |
| 2013 | 1,801,000 |
| 2014 | 1,824,000 |
| 2015 | 1,845,000 |
| 2016 | 1,866,000 |
Fuente: World Bank
