年度 | 实际值 |
---|---|
1992 | 60.1 |
1993 | |
1994 | |
1995 | 61.2 |
1996 | |
1997 | |
1998 | |
1999 | 61.9 |
2000 | 62.3 |
2001 | 62 |
2002 | 61.4 |
2003 | 62 |
2004 | 61 |
2005 | 61 |
2006 | 61 |
2007 | 61 |
2008 | 61 |
2009 | 62 |
2010 | 62 |
2011 | 63 |
2012 | 63 |
2013 | 64 |
2014 | 64 |
2015 | 63.7 |
2016 | 63.8 |
2017 | 63.5 |
2018 | 63.5 |