| 年度 | 实际值 |
|---|---|
| 1993 | 9499 |
| 1994 | 9472 |
| 1995 | 9607 |
| 1996 | 9889 |
| 1997 | 9902 |
| 1998 | 9452 |
| 1999 | 9610 |
| 2000 | 9050 |
| 2001 | 12968 |
| 2002 | 12332 |
| 2003 | 12731 |
| 2004 | 12894 |
| 2005 | 13802 |
| 2006 | 14689 |
| 2007 | 16290 |
| 2008 | 16747 |
| 2009 | 17996 |
| 2010 | 19414 |
| 2011 | 20566 |
| 2012 | 22004 |
| 2013 | 23886 |
| 2014 | 27675 |
| 2015 | 30316 |
| 2016 | 33344 |
| 2017 | 38333 |
| 2018 | 41105 |