| 年度 | 实际值 |
|---|---|
| 1992 | 4401 |
| 1993 | |
| 1994 | |
| 1995 | 17666 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 15014 |
| 2000 | 14614 |
| 2001 | 17591 |
| 2002 | 20956 |
| 2003 | 23589 |
| 2004 | 25478 |
| 2005 | 25693 |
| 2006 | 37591 |
| 2007 | 71716 |
| 2008 | 141759 |
| 2009 | 202424 |
| 2010 | 269436 |
| 2011 | 345551 |
| 2012 | 468509 |
| 2013 | 463696 |
| 2014 | 526525 |
| 2015 | 587645 |
| 2016 | 564150 |
| 2017 | 559115 |