| 年度 | 实际值 |
|---|---|
| 1993 | 2018 |
| 1994 | 3388 |
| 1995 | 3743 |
| 1996 | 3990 |
| 1997 | 3590 |
| 1998 | 4030 |
| 1999 | 4263 |
| 2000 | 4263 |
| 2001 | 4472 |
| 2002 | 3566 |
| 2003 | 3999 |
| 2004 | 4392 |
| 2005 | 4622 |
| 2006 | 5000 |
| 2007 | 5854 |
| 2008 | 5431 |
| 2009 | |
| 2010 | 6778 |
| 2011 | 7386 |
| 2012 | 9009 |
| 2013 | 9735 |
| 2014 | 10032 |
| 2015 | 10458 |
| 2016 | 11283 |
| 2017 | 12582 |
| 2018 | 13339 |