年度 | 实际值 |
---|---|
1995 | 62.7 |
1996 | 61.9 |
1997 | 62.58 |
1998 | 61.4 |
1999 | 60.4 |
2000 | 60 |
2001 | 59.7 |
2002 | 54.16 |
2003 | 56.28 |
2004 | 57.24 |
2005 | 53.02 |
2006 | 54.2 |
2007 | 51.48 |
2008 | 57.04 |
2009 | |
2010 | 54.11 |
2011 | 55.41 |
2012 | 55.3 |
2013 | 51.63 |
2014 | 49.29 |
2015 | 48.38 |
2016 | 47.11 |
2017 | |
2018 | 41.09 |