| 年度 | 实际值 |
|---|---|
| 1992 | 48352 |
| 1993 | |
| 1994 | |
| 1995 | 78218 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 158206 |
| 2000 | 158212 |
| 2001 | 162400 |
| 2002 | 161325 |
| 2003 | 155510 |
| 2004 | 148384 |
| 2005 | 132599 |
| 2006 | 126312 |
| 2007 | 118775 |
| 2008 | 88712 |
| 2009 | 122437 |
| 2010 | 145596 |
| 2011 | 150084 |
| 2012 | 166651 |
| 2013 | 480302 |
| 2014 | 493989 |
| 2015 | 515260 |
| 2016 | 538698 |
| 2017 | 584781 |