| 年度 | 实际值 |
|---|---|
| 1992 | 7534 |
| 1993 | 8366 |
| 1994 | 6092 |
| 1995 | 6817 |
| 1996 | 6503 |
| 1997 | 8441 |
| 1998 | 8042 |
| 1999 | 9064 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 26767 |
| 2004 | 29836 |
| 2005 | 34543 |
| 2006 | 42032 |
| 2007 | 63019 |
| 2008 | 69751 |
| 2009 | |
| 2010 | 102131 |
| 2011 | 152678 |
| 2012 | 207476 |
| 2013 | 196254 |
| 2014 | 202065 |
| 2015 | 213963 |
| 2016 | 232631 |
| 2017 | 199572 |
| 2018 | 229208 |