| 年度 | 实际值 |
|---|---|
| 1993 | 8472 |
| 1994 | 8814 |
| 1995 | 9096 |
| 1996 | |
| 1997 | |
| 1998 | 4094 |
| 1999 | 4675 |
| 2000 | 4679 |
| 2001 | 4308 |
| 2002 | 4161 |
| 2003 | 5041 |
| 2004 | 5377 |
| 2005 | 5465 |
| 2006 | 5573 |
| 2007 | 6044 |
| 2008 | 5805 |
| 2009 | 5620 |
| 2010 | 5968 |
| 2011 | 6444 |
| 2012 | 9604 |
| 2013 | 11173 |
| 2014 | 11599 |
| 2015 | 12037 |
| 2016 | 12385 |
| 2017 | 12700 |
| 2018 | 13435 |