| 年度 | 实际值 |
|---|---|
| 1992 | 2925 |
| 1993 | |
| 1994 | |
| 1995 | 3617 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 19873 |
| 2000 | 22536 |
| 2001 | 27162 |
| 2002 | 29963 |
| 2003 | 33501 |
| 2004 | 38043 |
| 2005 | 54365 |
| 2006 | 70904 |
| 2007 | 100144 |
| 2008 | 102475 |
| 2009 | 119367 |
| 2010 | 147131.6 |
| 2011 | 170892 |
| 2012 | 205055 |
| 2013 | 278658 |
| 2014 | 281182.3 |
| 2015 | 338084 |
| 2016 | 347735 |