| 年度 | 实际值 |
|---|---|
| 1992 | 1514 |
| 1993 | 1953 |
| 1994 | 2590 |
| 1995 | 2632 |
| 1996 | 2772 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 20704 |
| 2004 | 23560 |
| 2005 | 28133 |
| 2006 | 33875 |
| 2007 | 46113 |
| 2008 | 74097 |
| 2009 | |
| 2010 | 90555 |
| 2011 | 106840 |
| 2012 | 142167 |
| 2013 | 165546 |
| 2014 | 184212 |
| 2015 | 207213 |
| 2016 | 220740 |
| 2017 | 212074 |
| 2018 | 218071 |