| 年度 | 实际值 |
|---|---|
| 1993 | 2748 |
| 1994 | 3601 |
| 1995 | 3616 |
| 1996 | 3847 |
| 1997 | 4429 |
| 1998 | 3755 |
| 1999 | 3148 |
| 2000 | 3037 |
| 2001 | 3294 |
| 2002 | 3951 |
| 2003 | 4012 |
| 2004 | 4482 |
| 2005 | 4587 |
| 2006 | 4671 |
| 2007 | 4782 |
| 2008 | 5323 |
| 2009 | |
| 2010 | 5369 |
| 2011 | 6010 |
| 2012 | 6711 |
| 2013 | 7304 |
| 2014 | 6925 |
| 2015 | 6942 |
| 2016 | 7397 |
| 2017 | 8237 |
| 2018 | 8756 |