年度 | 实际值 |
---|---|
1992 | 52.8 |
1993 | 53.35 |
1994 | 53.86 |
1995 | 55.1 |
1996 | |
1997 | |
1998 | |
1999 | 57 |
2000 | 54.7 |
2001 | 58 |
2002 | 58.8 |
2003 | 59 |
2004 | 59 |
2005 | 60 |
2006 | 61 |
2007 | 62 |
2008 | 63 |
2009 | 64 |
2010 | 65 |
2011 | 65 |
2012 | 65 |
2013 | 66 |
2014 | 67 |
2015 | 68.1 |
2016 | 69.2 |
2017 | 69.7 |
2018 | 70.149 |