| 年度 | 实际值 |
|---|---|
| 1993 | 1905 |
| 1994 | 1989 |
| 1995 | 2281 |
| 1996 | 2209 |
| 1997 | 2625 |
| 1998 | 2779 |
| 1999 | 3068 |
| 2000 | 2858 |
| 2001 | 3068 |
| 2002 | 3150 |
| 2003 | 2431 |
| 2004 | 3223 |
| 2005 | 3250 |
| 2006 | 3490 |
| 2007 | 3612 |
| 2008 | 3726 |
| 2009 | |
| 2010 | 4541 |
| 2011 | 4819 |
| 2012 | 5071 |
| 2013 | 5218 |
| 2014 | 5050 |
| 2015 | 5472 |
| 2016 | 5780 |
| 2017 | 6200 |
| 2018 | 7148 |