| 年度 | 实际值 |
|---|---|
| 1999 | 1368744 |
| 2000 | 1385896 |
| 2001 | 1459543 |
| 2002 | 1553357 |
| 2003 | 1685710 |
| 2004 | 1805441 |
| 2005 | 1209810 |
| 2006 | 1397621 |
| 2007 | 1719462 |
| 2008 | 2148851 |
| 2009 | 2428483 |
| 2010 | 3012136 |
| 2011 | 3708981 |
| 2012 | 4296376 |
| 2013 | 5047625 |
| 2014 | 5638144 |
| 2015 | 5964849 |
| 2016 | 6397443 |
| 2017 | 7003921 |
| 2018 | 7061326 |