年度 | 实际值 |
---|---|
1992 | 10.6 |
1993 | |
1994 | |
1995 | 10 |
1996 | |
1997 | |
1998 | |
1999 | 10 |
2000 | 3.36 |
2001 | 12 |
2002 | 11.97 |
2003 | 12 |
2004 | 10.76 |
2005 | 10.95 |
2006 | 10.97 |
2007 | 11.05 |
2008 | 10.99 |
2009 | 11.02 |
2010 | 9.79 |
2011 | 9.77 |
2012 | 9.72 |
2013 | 9.56 |
2014 | 10.81 |
2015 | 8.73 |