| 年度 | 实际值 |
|---|---|
| 1992 | 1175 |
| 1993 | 1399 |
| 1994 | 2183 |
| 1995 | 2278 |
| 1996 | 2442 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 21010 |
| 2004 | 23412 |
| 2005 | 28251 |
| 2006 | 36488 |
| 2007 | 49091 |
| 2008 | 79378 |
| 2009 | |
| 2010 | 87894 |
| 2011 | 108085 |
| 2012 | 149867 |
| 2013 | 160653 |
| 2014 | 174520 |
| 2015 | 197495 |
| 2016 | 227292 |
| 2017 | 234646 |
| 2018 | 230195 |