| 年度 | 实际值 |
|---|---|
| 1992 | 4516 |
| 1993 | |
| 1994 | |
| 1995 | 5503 |
| 1996 | 11615 |
| 1997 | |
| 1998 | |
| 1999 | 14339 |
| 2000 | 16263 |
| 2001 | 20029 |
| 2002 | 23344 |
| 2003 | 29975 |
| 2004 | 30921 |
| 2005 | 37332 |
| 2006 | 51422 |
| 2007 | 65010 |
| 2008 | 93575 |
| 2009 | 132088 |
| 2010 | 169561 |
| 2011 | 241491 |
| 2012 | 300052 |
| 2013 | 329494 |
| 2014 | 349092 |
| 2015 | 437824 |
| 2016 | 416732 |