| 年度 | 实际值 |
|---|---|
| 1993 | 476 |
| 1994 | 485 |
| 1995 | 814 |
| 1996 | 825 |
| 1997 | 827 |
| 1998 | 832 |
| 1999 | 836 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 1301 |
| 2004 | 1344 |
| 2005 | 1568 |
| 2006 | 12329 |
| 2007 | 12334 |
| 2008 | 12352 |
| 2009 | |
| 2010 | 12372 |
| 2011 | 12505 |
| 2012 | 12786 |
| 2013 | 13015 |
| 2014 | 13171 |
| 2015 | 13264 |
| 2016 | 13322 |
| 2017 | 13384 |
| 2018 | 13410 |