| 年度 | 实际值 |
|---|---|
| 1992 | 10572 |
| 1993 | |
| 1994 | |
| 1995 | 22834 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 59500 |
| 2000 | 63556 |
| 2001 | 50697 |
| 2002 | 59137 |
| 2003 | 95961 |
| 2004 | 117935 |
| 2005 | 114296 |
| 2006 | 172486 |
| 2007 | 212240 |
| 2008 | 198166 |
| 2009 | 217418 |
| 2010 | 299898 |
| 2011 | 392746 |
| 2012 | 433722 |
| 2013 | 575151 |
| 2014 | 518241 |
| 2015 | 527964 |
| 2016 | 509523 |
| 2017 | 506737 |