| 年度 | 实际值 |
|---|---|
| 1992 | 36490 |
| 1993 | 52086 |
| 1994 | 25865 |
| 1995 | 31658 |
| 1996 | 45669 |
| 1997 | 54693 |
| 1998 | 20492 |
| 1999 | 24828 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 222586 |
| 2004 | 264957 |
| 2005 | 355880 |
| 2006 | 428746 |
| 2007 | 586806 |
| 2008 | 735014 |
| 2009 | |
| 2010 | 1265380 |
| 2011 | 1707430 |
| 2012 | 2123111 |
| 2013 | 2501142 |
| 2014 | 2813002 |
| 2015 | 3039880 |
| 2016 | 3371677 |
| 2017 | 3689580 |
| 2018 | 4121544 |