| 年度 | 实际值 |
|---|---|
| 1992 | 37167 |
| 1993 | |
| 1994 | |
| 1995 | 80614 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 160779 |
| 2000 | 152131 |
| 2001 | 157295 |
| 2002 | 152600 |
| 2003 | 151181 |
| 2004 | 141607 |
| 2005 | 149168 |
| 2006 | 148128 |
| 2007 | 155112 |
| 2008 | 137654 |
| 2009 | 173447 |
| 2010 | 198907 |
| 2011 | 219514 |
| 2012 | 243447 |
| 2013 | 262346 |
| 2014 | 264919 |
| 2015 | 257968 |
| 2016 | 289964 |
| 2017 | 301972 |