| 年度 | 实际值 |
|---|---|
| 1993 | 5053 |
| 1994 | 5143 |
| 1995 | 4553 |
| 1996 | 6552 |
| 1997 | 5012 |
| 1998 | 4909 |
| 1999 | 5006 |
| 2000 | 5036 |
| 2001 | 5122 |
| 2002 | 5112 |
| 2003 | 4927 |
| 2004 | 5885 |
| 2005 | 5924 |
| 2006 | 5515 |
| 2007 | 6242 |
| 2008 | 6449 |
| 2009 | |
| 2010 | 5779 |
| 2011 | 6169 |
| 2012 | 6429 |
| 2013 | 7042 |
| 2014 | 8581 |
| 2015 | 6905 |
| 2016 | 7383 |
| 2017 | 7716 |
| 2018 | 7903 |