| 年度 | 实际值 |
|---|---|
| 1992 | 3325 |
| 1993 | |
| 1994 | |
| 1995 | 5532 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 18527 |
| 2000 | 18350 |
| 2001 | 20020 |
| 2002 | 22060 |
| 2003 | 23558 |
| 2004 | 28802 |
| 2005 | 31221 |
| 2006 | 34938 |
| 2007 | 49496 |
| 2008 | 72409 |
| 2009 | 98108 |
| 2010 | 114588 |
| 2011 | 130016 |
| 2012 | 190226 |
| 2013 | 212012 |
| 2014 | 245326 |
| 2015 | 275132 |
| 2016 | 312136 |