| 年度 | 实际值 |
|---|---|
| 1992 | 33885 |
| 1993 | 58288 |
| 1994 | 41439 |
| 1995 | 44387 |
| 1996 | 50758 |
| 1997 | 60488 |
| 1998 | 67476 |
| 1999 | 91581 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 409500 |
| 2004 | 450853 |
| 2005 | 546236 |
| 2006 | 648005 |
| 2007 | 846653 |
| 2008 | 1171492 |
| 2009 | |
| 2010 | 1835907 |
| 2011 | 2326742 |
| 2012 | 2613324 |
| 2013 | 2865608 |
| 2014 | 3119982 |
| 2015 | 3576008 |
| 2016 | 3990296 |
| 2017 | 4340692 |
| 2018 | 4558597 |