年度 | 实际值 |
---|---|
1995 | 54.8 |
1996 | 53.7 |
1997 | 53 |
1998 | 51.8 |
1999 | 57.3 |
2000 | 54.6 |
2001 | 53.82 |
2002 | 54.3 |
2003 | 59.22 |
2004 | 59.18 |
2005 | 62.77 |
2006 | 64.47 |
2007 | 65.14 |
2008 | 66.51 |
2009 | |
2010 | 66.46 |
2011 | 65 |
2012 | 65.12 |
2013 | 66.18 |
2014 | 57.89 |
2015 | 56.55 |
2016 | 54.76 |
2017 | |
2018 | 50.62 |