年度 | 实际值 |
---|---|
1992 | 13.5 |
1993 | |
1994 | |
1995 | 13.7 |
1996 | |
1997 | |
1998 | |
1999 | 14.1 |
2000 | 14.2 |
2001 | 14 |
2002 | 14.3 |
2003 | 14 |
2004 | 15 |
2005 | 14.9 |
2006 | 15.5 |
2007 | 15.9851 |
2008 | 16.44 |
2009 | 16.8 |
2010 | 17.0743 |
2011 | 17.23 |
2012 | 17.223 |
2013 | 17.07 |
2014 | 17.71 |
2015 | 17.53 |
2016 | 17.544 |
2017 | 18 |