年度 | 实际值 |
---|---|
1992 | 8.5 |
1993 | 8.59 |
1994 | 8.79 |
1995 | 8.9 |
1996 | 9.12 |
1997 | |
1998 | |
1999 | 10.8 |
2000 | 11 |
2001 | 11 |
2002 | 11.3 |
2003 | 11 |
2004 | 12 |
2005 | 12 |
2006 | 12 |
2007 | 12 |
2008 | 12 |
2009 | 12 |
2010 | 13 |
2011 | 13 |
2012 | 13 |
2013 | 13 |
2014 | 13 |
2015 | 13.2 |
2016 | 13.4 |
2017 | 13.6 |
2018 | 13.9225 |