| 年度 | 实际值 |
|---|---|
| 1992 | 2318 |
| 1993 | 2709 |
| 1994 | 4543 |
| 1995 | 4458 |
| 1996 | 4672 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 31804 |
| 2004 | 34386 |
| 2005 | 42469 |
| 2006 | 56142 |
| 2007 | 75246 |
| 2008 | 104223 |
| 2009 | |
| 2010 | 135558 |
| 2011 | 170181 |
| 2012 | 208301 |
| 2013 | 217056 |
| 2014 | 214253 |
| 2015 | 269953 |
| 2016 | 62808 |
| 2017 | 306035 |
| 2018 | 327658 |