| 年度 | 实际值 |
|---|---|
| 1992 | 1981 |
| 1993 | 2380 |
| 1994 | 5577 |
| 1995 | 4103 |
| 1996 | 4810 |
| 1997 | 5076 |
| 1998 | 6689 |
| 1999 | 7071 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 13138 |
| 2004 | 14328 |
| 2005 | 18556 |
| 2006 | 22002 |
| 2007 | 35853 |
| 2008 | 47800 |
| 2009 | |
| 2010 | 65145 |
| 2011 | 79854 |
| 2012 | 111320 |
| 2013 | 105722 |
| 2014 | 120096 |
| 2015 | 138685 |
| 2016 | 170306 |
| 2017 | 169736 |
| 2018 | 195057 |