| 年度 | 实际值 |
|---|---|
| 1992 | 15104 |
| 1993 | |
| 1994 | |
| 1995 | 18246 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 54717 |
| 2000 | 55455 |
| 2001 | 59885 |
| 2002 | 63211 |
| 2003 | 69680 |
| 2004 | 77677 |
| 2005 | 80242 |
| 2006 | 76749 |
| 2007 | 78174 |
| 2008 | 69997 |
| 2009 | 107799 |
| 2010 | 150095 |
| 2011 | 171237 |
| 2012 | 204231 |
| 2013 | 261499 |
| 2014 | 256430 |
| 2015 | 263143 |
| 2016 | 319098 |
| 2017 | 399781 |