| 年度 | 实际值 |
|---|---|
| 1992 | 9609 |
| 1993 | |
| 1994 | |
| 1995 | 14151 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 16776 |
| 2000 | 17242 |
| 2001 | 16526 |
| 2002 | 18206 |
| 2003 | 20018 |
| 2004 | 20676 |
| 2005 | 20340 |
| 2006 | 20799 |
| 2007 | 13854 |
| 2008 | 16911 |
| 2009 | 21873 |
| 2010 | 28050 |
| 2011 | 41328 |
| 2012 | 47153 |
| 2013 | 58752 |
| 2014 | 61701 |
| 2015 | 67349 |
| 2016 | 65461 |