| 年度 | 实际值 |
|---|---|
| 1992 | 9278 |
| 1993 | |
| 1994 | |
| 1995 | 8669 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 22988 |
| 2000 | 25401 |
| 2001 | 25399 |
| 2002 | 31674 |
| 2003 | 33145 |
| 2004 | 38119 |
| 2005 | 44018 |
| 2006 | 49230 |
| 2007 | 67156 |
| 2008 | 81839 |
| 2009 | 99967 |
| 2010 | 130602 |
| 2011 | 169489 |
| 2012 | 203655 |
| 2013 | 220708 |
| 2014 | 227545 |
| 2015 | 253240 |
| 2016 | 369075 |