| 年度 | 实际值 |
|---|---|
| 1992 | 2136 |
| 1993 | |
| 1994 | |
| 1995 | 2313 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 11986 |
| 2000 | 14410 |
| 2001 | 17335 |
| 2002 | 20154 |
| 2003 | 22962 |
| 2004 | 28549 |
| 2005 | 25124 |
| 2006 | 34055 |
| 2007 | 41052 |
| 2008 | 49742 |
| 2009 | 55261 |
| 2010 | 81406 |
| 2011 | 110398 |
| 2012 | 136969 |
| 2013 | 152592 |
| 2014 | 155231 |
| 2015 | 183047 |
| 2016 | 183975 |