| 年度 | 实际值 |
|---|---|
| 1993 | 4949 |
| 1994 | 4483 |
| 1995 | 4624 |
| 1996 | 4612 |
| 1997 | 4620 |
| 1998 | 2484 |
| 1999 | 2470 |
| 2000 | 2521 |
| 2001 | 3856 |
| 2002 | 5014 |
| 2003 | 4205 |
| 2004 | 6131 |
| 2005 | 6384 |
| 2006 | 6728 |
| 2007 | 6683 |
| 2008 | 7126 |
| 2009 | |
| 2010 | 7122 |
| 2011 | 7687 |
| 2012 | 8187 |
| 2013 | 9327 |
| 2014 | 9655 |
| 2015 | 10393 |
| 2016 | 11409 |
| 2017 | 12439 |
| 2018 | 13324 |