年度 | 实际值 |
---|---|
1992 | 11 |
1993 | 11 |
1994 | 11 |
1995 | 12 |
1996 | 12 |
1997 | 12 |
1998 | 12 |
1999 | 13 |
2000 | 13 |
2001 | 13 |
2002 | 13 |
2003 | 13.42 |
2004 | 13.7 |
2005 | 13.15 |
2006 | 13 |
2007 | 13.25 |
2008 | 13.28 |
2009 | |
2010 | 13.3 |
2011 | 13.13 |
2012 | 13.11 |
2013 | 14.57 |
2014 | 14.91 |
2015 | 13.85 |