| 年度 | 实际值 |
|---|---|
| 1992 | 5798 |
| 1993 | |
| 1994 | |
| 1995 | 15424 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 53058 |
| 2000 | 60049 |
| 2001 | 65477 |
| 2002 | 71851 |
| 2003 | 80004 |
| 2004 | 97375 |
| 2005 | 104973 |
| 2006 | 117146 |
| 2007 | 136786 |
| 2008 | 172765 |
| 2009 | 195314 |
| 2010 | 247886 |
| 2011 | 265378 |
| 2012 | 298066 |
| 2013 | 322394 |
| 2014 | 373246 |
| 2015 | 535742 |