| 年度 | 实际值 |
|---|---|
| 1995 | 9612 |
| 1996 | 5820 |
| 1997 | 10389 |
| 1998 | 8756 |
| 1999 | 10707 |
| 2000 | 16190 |
| 2001 | 20693 |
| 2002 | 46678 |
| 2003 | 53453 |
| 2004 | 48960 |
| 2005 | 56511 |
| 2006 | 139116 |
| 2007 | 248658 |
| 2008 | 334009 |
| 2009 | 367234 |
| 2010 | 207824 |
| 2011 | 257858 |
| 2012 | 465180 |
| 2013 | 440479 |
| 2014 | 199859 |
| 2015 | 163608 |
| 2016 | 121525 |
| 2017 | 160271 |
| 2018 | 211163 |