| 年度 | 实际值 |
|---|---|
| 1992 | 1308 |
| 1993 | 1425 |
| 1994 | 1950 |
| 1995 | 2521 |
| 1996 | 2697 |
| 1997 | 3239 |
| 1998 | 4259 |
| 1999 | 3914 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 49747 |
| 2004 | 57865 |
| 2005 | 64548 |
| 2006 | 82421 |
| 2007 | 119225 |
| 2008 | 169293 |
| 2009 | |
| 2010 | 217375 |
| 2011 | 312773 |
| 2012 | 436088 |
| 2013 | 453668 |
| 2014 | 489027 |
| 2015 | 542477 |
| 2016 | 581332 |
| 2017 | 602428 |
| 2018 | 617950 |