年度 | 实际值 |
---|---|
1992 | 10.5 |
1993 | 9.3 |
1994 | |
1995 | |
1996 | |
1997 | |
1998 | |
1999 | |
2000 | 9.23 |
2001 | 8.85 |
2002 | 9.6 |
2003 | 8.04 |
2004 | 7.9 |
2005 | 8.37 |
2006 | 8.39 |
2007 | 9.42 |
2008 | 9.99 |
2009 | 9.85 |
2010 | 11.36 |
2011 | 13.08 |
2012 | 14.59 |
2013 | 13.89 |
2014 | 13.11 |
2015 | 13.27 |