| 年度 | 实际值 |
|---|---|
| 1992 | 2507 |
| 1993 | |
| 1994 | |
| 1995 | 2848 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9639 |
| 2000 | 11640 |
| 2001 | 14404 |
| 2002 | 15452 |
| 2003 | 23650 |
| 2004 | 30797 |
| 2005 | 42518 |
| 2006 | 50014 |
| 2007 | 50900 |
| 2008 | 53451 |
| 2009 | 60400 |
| 2010 | 68261 |
| 2011 | 70441 |
| 2012 | 80821 |
| 2013 | 107505 |
| 2014 | 130310 |
| 2015 | 142789 |
| 2016 | 140428 |