| 年度 | 实际值 |
|---|---|
| 1993 | 25047 |
| 1994 | 25166 |
| 1995 | 25230 |
| 1996 | 25670 |
| 1997 | 43178 |
| 1998 | 43423 |
| 1999 | 44453 |
| 2000 | 44940 |
| 2001 | 44688 |
| 2002 | 37873 |
| 2003 | 37122 |
| 2004 | 36603 |
| 2005 | 37321 |
| 2006 | 37511 |
| 2007 | 38739 |
| 2008 | 39417 |
| 2009 | 41943 |
| 2010 | 44844 |
| 2011 | 49585 |
| 2012 | 51990 |
| 2013 | 55221 |
| 2014 | 58007 |
| 2015 | 61013 |
| 2016 | 64709 |
| 2017 | 68549 |
| 2018 | 76361 |