年度 | 实际值 |
---|---|
1995 | 56.5 |
1996 | 58.7 |
1997 | 56.78 |
1998 | 56 |
1999 | 53.2 |
2000 | 49 |
2001 | 48.5 |
2002 | 49.79 |
2003 | 53.19 |
2004 | 55.02 |
2005 | 56.43 |
2006 | 53.5 |
2007 | 56.22 |
2008 | 59.9 |
2009 | |
2010 | 64.64 |
2011 | 66.34 |
2012 | 66.13 |
2013 | 67.02 |
2014 | 63.42 |
2015 | 58.1 |
2016 | 56.34 |
2017 | |
2018 | 54.81 |