年度 | 实际值 |
---|---|
1995 | 60.3 |
1996 | 57.8 |
1997 | 55.74 |
1998 | |
1999 | 48.8 |
2000 | 39.6 |
2001 | 39.38 |
2002 | 39.88 |
2003 | 42.16 |
2004 | 44.94 |
2005 | 46.16 |
2006 | 47.98 |
2007 | 50.44 |
2008 | 50.38 |
2009 | |
2010 | 53.76 |
2011 | 55.04 |
2012 | 55.06 |
2013 | 54.07 |
2014 | 53.5 |
2015 | 50.33 |
2016 | 48.31 |
2017 | |
2018 | 45.33 |