| 年度 | 实际值 |
|---|---|
| 1992 | 17983 |
| 1993 | |
| 1994 | |
| 1995 | 37703 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 51044 |
| 2000 | 51245 |
| 2001 | 46128 |
| 2002 | 47283 |
| 2003 | 52295 |
| 2004 | 47228 |
| 2005 | 48563 |
| 2006 | 43787 |
| 2007 | 57294 |
| 2008 | 54899 |
| 2009 | 70200 |
| 2010 | 84185 |
| 2011 | 104039 |
| 2012 | 136931 |
| 2013 | 185150 |
| 2014 | 221252 |
| 2015 | 288344 |
| 2016 | 297472 |
| 2017 | 342896 |