| 年度 | 实际值 |
|---|---|
| 1992 | 4458 |
| 1993 | |
| 1994 | |
| 1995 | 5131 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 8870 |
| 2000 | 10289 |
| 2001 | 12465 |
| 2002 | 13185 |
| 2003 | 15971 |
| 2004 | 11535 |
| 2005 | 12538 |
| 2006 | 14065 |
| 2007 | 18285 |
| 2008 | 21459 |
| 2009 | 24528 |
| 2010 | 34817 |
| 2011 | 50609 |
| 2012 | 65097 |
| 2013 | 85426 |
| 2014 | 101336 |
| 2015 | 117619 |
| 2016 | 135272 |