| 年度 | 实际值 |
|---|---|
| 1999 | 563861 |
| 2000 | 602474 |
| 2001 | 647851 |
| 2002 | 694513 |
| 2003 | 765434 |
| 2004 | 985273 |
| 2005 | 1142403 |
| 2006 | 1349932 |
| 2007 | 1635187 |
| 2008 | 2101817 |
| 2009 | 2272820 |
| 2010 | 2585669 |
| 2011 | 2839757 |
| 2012 | 3204341 |
| 2013 | 3316636 |
| 2014 | 3477958 |
| 2015 | 3623272 |
| 2016 | 3961518 |
| 2017 | 4306283 |
| 2018 | 4680219 |