| 年度 | 实际值 |
|---|---|
| 1992 | 6130 |
| 1993 | |
| 1994 | |
| 1995 | 9234 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13647 |
| 2000 | 10878 |
| 2001 | 11708 |
| 2002 | 14286 |
| 2003 | 16485 |
| 2004 | 22075 |
| 2005 | 20510 |
| 2006 | 14561 |
| 2007 | 18254 |
| 2008 | 23934 |
| 2009 | 31981 |
| 2010 | 42907 |
| 2011 | 54265 |
| 2012 | 68436 |
| 2013 | 89749 |
| 2014 | 106022 |
| 2015 | 110647 |
| 2016 | 143771 |
| 2017 | 155640 |