| 年度 | 实际值 |
|---|---|
| 1992 | 1965 |
| 1993 | |
| 1994 | |
| 1995 | 4956 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7290 |
| 2000 | 7060.4 |
| 2001 | 6136 |
| 2002 | 6029 |
| 2003 | 6239 |
| 2004 | 3247 |
| 2005 | 3309 |
| 2006 | 3483 |
| 2007 | 6005 |
| 2008 | 2318 |
| 2009 | 3777 |
| 2010 | 4270 |
| 2011 | 13166 |
| 2012 | 26073 |
| 2013 | 35891 |
| 2014 | 35068 |
| 2015 | 35682 |
| 2016 | 70394 |
| 2017 | 71243 |