| 年度 | 实际值 |
|---|---|
| 1992 | 4710 |
| 1993 | 5853 |
| 1994 | 1785 |
| 1995 | 1864 |
| 1996 | 1650 |
| 1997 | 3412 |
| 1998 | 3467 |
| 1999 | 3859 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 35385 |
| 2004 | 40852 |
| 2005 | 52746 |
| 2006 | 63017 |
| 2007 | 97958 |
| 2008 | 125686 |
| 2009 | |
| 2010 | 181116 |
| 2011 | 248756 |
| 2012 | 292545 |
| 2013 | 329625 |
| 2014 | 349039 |
| 2015 | 351137 |
| 2016 | 369686 |
| 2017 | 424189 |
| 2018 | 429933 |