| 年度 | 实际值 |
|---|---|
| 1995 | 1085 |
| 1996 | 678 |
| 1997 | 1507 |
| 1998 | 2451 |
| 1999 | 1658 |
| 2000 | 4291 |
| 2001 | 7351 |
| 2002 | 30242 |
| 2003 | 38098 |
| 2004 | 63870 |
| 2005 | 82666 |
| 2006 | 134244 |
| 2007 | 184900 |
| 2008 | 294700 |
| 2009 | |
| 2010 | 248990 |
| 2011 | 498305 |
| 2012 | 463456 |
| 2013 | 478631 |
| 2014 | 487262 |
| 2015 | 370117 |
| 2016 | 220991 |
| 2017 | 204816 |
| 2018 | 296527 |
| 2019 | 260100 |