| 年度 | 实际值 |
|---|---|
| 1992 | 7925 |
| 1993 | |
| 1994 | |
| 1995 | 11715 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 29878 |
| 2000 | 25056 |
| 2001 | 28064 |
| 2002 | 29504 |
| 2003 | 34523 |
| 2004 | 28800 |
| 2005 | 33440 |
| 2006 | 35689 |
| 2007 | 36158 |
| 2008 | 54608 |
| 2009 | 88700 |
| 2010 | 101700 |
| 2011 | 101700 |
| 2012 | 132600 |
| 2013 | 161876 |
| 2014 | 179749 |
| 2015 | 208684 |
| 2016 | 212177 |
| 2017 | 241523 |