| 年度 | 实际值 |
|---|---|
| 1992 | 11415 |
| 1993 | |
| 1994 | |
| 1995 | 18823 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 32404 |
| 2000 | 30693 |
| 2001 | 29573 |
| 2002 | 38191 |
| 2003 | 43766 |
| 2004 | 39342 |
| 2005 | 32541 |
| 2006 | 147454 |
| 2007 | 164061 |
| 2008 | 255849 |
| 2009 | 99787 |
| 2010 | 137252 |
| 2011 | 144745 |
| 2012 | 187270 |
| 2013 | 289488 |
| 2014 | 298018 |
| 2015 | 286765 |
| 2016 | 290123 |
| 2017 | 371252 |