| 年度 | 实际值 |
|---|---|
| 1994 | 8471 |
| 1995 | 9323 |
| 1996 | 11529 |
| 1997 | 12876 |
| 1998 | 10347 |
| 1999 | 8460 |
| 2000 | 8473 |
| 2001 | 9806 |
| 2002 | 9931 |
| 2003 | 11639 |
| 2004 | 13863 |
| 2005 | 14736 |
| 2006 | 16849 |
| 2007 | 20732 |
| 2008 | 22162 |
| 2009 | 22836 |
| 2010 | 25685 |
| 2011 | 30586 |
| 2012 | 34212 |
| 2013 | 36218 |
| 2014 | 36899 |
| 2015 | 37915 |
| 2016 | 42908 |
| 2017 | 43844 |
| 2018 | 47624 |