| 年度 | 实际值 |
|---|---|
| 1995 | 18324 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 24056 |
| 2000 | 23300 |
| 2001 | 23200 |
| 2002 | 26400 |
| 2003 | 28200 |
| 2004 | 32640 |
| 2005 | 38300 |
| 2006 | 40500 |
| 2007 | 48000 |
| 2008 | 66000 |
| 2009 | 71480 |
| 2010 | 97820 |
| 2011 | 125990 |
| 2012 | 144544 |
| 2013 | 156689 |
| 2014 | 168200 |
| 2015 | 172400 |
| 2016 | 178821 |
| 2017 | 190428 |
| 2018 | 185600 |