| 年度 | 实际值 |
|---|---|
| 1992 | 21290 |
| 1993 | |
| 1994 | |
| 1995 | 37973 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 26993 |
| 2000 | 23703 |
| 2001 | 26019 |
| 2002 | 26240 |
| 2003 | 25964 |
| 2004 | 27397 |
| 2005 | 30033 |
| 2006 | 32703 |
| 2007 | 35284 |
| 2008 | 26138 |
| 2009 | 42140 |
| 2010 | 53844 |
| 2011 | 93334 |
| 2012 | 101806 |
| 2013 | 100755 |
| 2014 | 118612 |
| 2015 | 129154 |
| 2016 | 148601 |
| 2017 | 164721 |