| 年度 | 实际值 |
|---|---|
| 1992 | 1346 |
| 1993 | |
| 1994 | |
| 1995 | 1367 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7130 |
| 2000 | 7314 |
| 2001 | 9600 |
| 2002 | 11507 |
| 2003 | 12138 |
| 2004 | 13725 |
| 2005 | 18108 |
| 2006 | 23160 |
| 2007 | 29388 |
| 2008 | 39401 |
| 2009 | 53509 |
| 2010 | 71136 |
| 2011 | 84598 |
| 2012 | 104485 |
| 2013 | 124834 |
| 2014 | 108487 |
| 2015 | 149878 |
| 2016 | 148281 |