| 年度 | 实际值 |
|---|---|
| 1992 | 5525 |
| 1993 | 6077 |
| 1994 | 2245 |
| 1995 | 2955 |
| 1996 | 4646 |
| 1997 | 4290 |
| 1998 | 3473 |
| 1999 | 4603 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 29334 |
| 2004 | 31864 |
| 2005 | 36704 |
| 2006 | 46429 |
| 2007 | 70517 |
| 2008 | 86273 |
| 2009 | |
| 2010 | 110505 |
| 2011 | 162346 |
| 2012 | 225757 |
| 2013 | 255862 |
| 2014 | 264163 |
| 2015 | 264346 |
| 2016 | 271411 |
| 2017 | 272150 |
| 2018 | 333534 |