年度 | 实际值 |
---|---|
1992 | 54 |
1993 | |
1994 | |
1995 | 55.8 |
1996 | |
1997 | |
1998 | |
1999 | 58.1 |
2000 | 60.4 |
2001 | 61 |
2002 | 61.4 |
2003 | 62 |
2004 | 64 |
2005 | 65 |
2006 | 65 |
2007 | 64 |
2008 | 61 |
2009 | 66 |
2010 | 68 |
2011 | 69.59 |
2012 | 69.69 |
2013 | 70.85 |
2014 | 71.44 |
2015 | 72.77 |
2016 | 74 |
2017 | 74 |