| 年度 | 实际值 |
|---|---|
| 1993 | 4517 |
| 1994 | 4699 |
| 1995 | 4803 |
| 1996 | 5098 |
| 1997 | 5372 |
| 1998 | 5468 |
| 1999 | 5561 |
| 2000 | 5696 |
| 2001 | 5771 |
| 2002 | 4909 |
| 2003 | 5018 |
| 2004 | 4657 |
| 2005 | 5082 |
| 2006 | 5185 |
| 2007 | 4895 |
| 2008 | 4355 |
| 2009 | |
| 2010 | 5614 |
| 2011 | 6168 |
| 2012 | 6059 |
| 2013 | 8516 |
| 2014 | 8606 |
| 2015 | 8772 |
| 2016 | 9341 |
| 2017 | 9741 |
| 2018 | 10469 |