| 年度 | 实际值 |
|---|---|
| 1994 | 3067 |
| 1995 | 2655 |
| 1996 | 2414 |
| 1997 | 2811 |
| 1998 | 2874 |
| 1999 | 3289 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 23325 |
| 2004 | 24848 |
| 2005 | 25325 |
| 2006 | 31013 |
| 2007 | 47154 |
| 2008 | 63401 |
| 2009 | |
| 2010 | 74999 |
| 2011 | 94934 |
| 2012 | 179288 |
| 2013 | 166375 |
| 2014 | 173880 |
| 2015 | 196555 |
| 2016 | 214827 |
| 2017 | 207888 |
| 2018 | 234031 |