| 年度 | 实际值 |
|---|---|
| 1992 | 27187 |
| 1993 | |
| 1994 | |
| 1995 | 42844 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 58324 |
| 2000 | 30933 |
| 2001 | 32690 |
| 2002 | 27587 |
| 2003 | 26801 |
| 2004 | 17745 |
| 2005 | 20448 |
| 2006 | 18917 |
| 2007 | 19605 |
| 2008 | 22055 |
| 2009 | 24907 |
| 2010 | 26861 |
| 2011 | 35645 |
| 2012 | 45923 |
| 2013 | 67421 |
| 2014 | 106523 |
| 2015 | 128282 |
| 2016 | 171656 |
| 2017 | 231653 |