| 年度 | 实际值 |
|---|---|
| 1992 | 11731 |
| 1993 | |
| 1994 | |
| 1995 | 14194 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 22415 |
| 2000 | 16762 |
| 2001 | 16930 |
| 2002 | 17245 |
| 2003 | 17498 |
| 2004 | 18153 |
| 2005 | 17912 |
| 2006 | 17064 |
| 2007 | 36448 |
| 2008 | 20947 |
| 2009 | 22612 |
| 2010 | 52668 |
| 2011 | 123020 |
| 2012 | 180996 |
| 2013 | 192803 |
| 2014 | 464960 |
| 2015 | 559698 |
| 2016 | 566277 |
| 2017 | 634858 |