| 年度 | 实际值 |
|---|---|
| 1993 | 1364 |
| 1994 | 1466 |
| 1995 | 1748 |
| 1996 | 1785 |
| 1997 | 1810 |
| 1998 | 1901 |
| 1999 | 1946 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 3244 |
| 2004 | 3994 |
| 2005 | 4804 |
| 2006 | 4820 |
| 2007 | 6205 |
| 2008 | 7707 |
| 2009 | |
| 2010 | 7711 |
| 2011 | 8458 |
| 2012 | 8827 |
| 2013 | 9562 |
| 2014 | 9900 |
| 2015 | 10047 |
| 2016 | 10177 |
| 2017 | 10836 |
| 2018 | 11093 |