| 年度 | 实际值 |
|---|---|
| 1993 | 1224 |
| 1994 | 1260 |
| 1995 | 1129 |
| 1996 | 1050 |
| 1997 | 761 |
| 1998 | 851 |
| 1999 | 995 |
| 2000 | 1022 |
| 2001 | 1004 |
| 2002 | 989 |
| 2003 | 1262 |
| 2004 | 859 |
| 2005 | 663 |
| 2006 | 789 |
| 2007 | 612 |
| 2008 | 864 |
| 2009 | |
| 2010 | 575 |
| 2011 | 1053 |
| 2012 | 1165 |
| 2013 | 1219 |
| 2014 | 1235 |
| 2015 | 1231 |
| 2016 | 1290 |
| 2017 | 1327 |
| 2018 | 1591 |