| Year | Thousand people |
| 2000 | 2407.5 |
| 2001 | 2442.5 |
| 2002 | 2475.4 |
| 2003 | 2504.0 |
| 2004 | 2533.1 |
| 2005 | 2562.4 |
| 2006 | 2583.2 |
| 2007 | 2620.9 |
| 2008 | 2665.9 |
| 2009 | 2716.3 |
| 2010 | 2761.0 |
| 2011 | 2811.7 |
| 2012 | 2867.7 |
| 2013 | 2930.3 |
| 2014 | 2995.9 |
| 2015 | 3057.8 |
| 2016 | 3119.9 |
| 2017 | 3177.9 |
| 2018 | 3238.5 |
| 2019 | 3296.9 |
| 2020 | 3357.5 |