| 年度 | 实际值 |
|---|---|
| 1992 | 21386 |
| 1993 | |
| 1994 | |
| 1995 | 30828 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 50071 |
| 2000 | 48307 |
| 2001 | 49106 |
| 2002 | 77062 |
| 2003 | 93124 |
| 2004 | 90780 |
| 2005 | 55908 |
| 2006 | 58791 |
| 2007 | 64521 |
| 2008 | 69425 |
| 2009 | 107147 |
| 2010 | 142532 |
| 2011 | 161506 |
| 2012 | 162764 |
| 2013 | 200422 |
| 2014 | 258022 |
| 2015 | 305915 |
| 2016 | 352715 |
| 2017 | 407877 |