| 年度 | 实际值 |
|---|---|
| 1992 | 8177 |
| 1993 | |
| 1994 | |
| 1995 | 1394 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 22157 |
| 2000 | 21025 |
| 2001 | 23003 |
| 2002 | 26745 |
| 2003 | 31591 |
| 2004 | 32656 |
| 2005 | 37363 |
| 2006 | 44613 |
| 2007 | 49251 |
| 2008 | 44354 |
| 2009 | 66438 |
| 2010 | 82617 |
| 2011 | 103441 |
| 2012 | 124589 |
| 2013 | 159780 |
| 2014 | 192569 |
| 2015 | 232329 |
| 2016 | 275667 |
| 2017 | 322336 |