年度 | 实际值 |
---|---|
1995 | 47.8 |
1996 | 47.3 |
1997 | 46.78 |
1998 | 46.1 |
1999 | 46.2 |
2000 | 46.5 |
2001 | 46.24 |
2002 | 47.14 |
2003 | 48.25 |
2004 | 48.63 |
2005 | 48.45 |
2006 | 48.35 |
2007 | |
2008 | 50.19 |
2009 | |
2010 | 48.63 |
2011 | 49.77 |
2012 | 49.79 |
2013 | 48.51 |
2014 | 46.76 |
2015 | 45.08 |
2016 | 45.45 |
2017 | |
2018 | 37.57 |