| 年度 | 实际值 |
|---|---|
| 1992 | 3577 |
| 1993 | |
| 1994 | |
| 1995 | 5305 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 17216 |
| 2000 | 18976 |
| 2001 | 20271 |
| 2002 | 22218 |
| 2003 | 27473 |
| 2004 | 31516 |
| 2005 | 41042 |
| 2006 | 56663 |
| 2007 | 91472 |
| 2008 | 103813 |
| 2009 | 117596 |
| 2010 | 159105 |
| 2011 | 198598 |
| 2012 | 231208 |
| 2013 | 314389 |
| 2014 | 301185 |
| 2015 | 411870 |
| 2016 | 435973 |