年度 | 实际值 |
---|---|
1992 | 10.5 |
1993 | 9.3 |
1994 | 12 |
1995 | |
1996 | |
1997 | |
1998 | |
1999 | |
2000 | 12.79 |
2001 | 12.2 |
2002 | 10.22 |
2003 | 10.51 |
2004 | 10.31 |
2005 | 11.14 |
2006 | 11.13 |
2007 | 12.86 |
2008 | 14.17 |
2009 | 12.95 |
2010 | 12.21 |
2011 | 13.15 |
2012 | 12.41 |
2013 | 12.27 |
2014 | 11.16 |
2015 | 11.6 |