年度 | 实际值 |
---|---|
1995 | 57.3 |
1996 | 54.5 |
1997 | 52.21 |
1998 | 50.1 |
1999 | 48.4 |
2000 | 47.5 |
2001 | 47.58 |
2002 | 47.42 |
2003 | 50.09 |
2004 | 50.85 |
2005 | 48.64 |
2006 | 48.51 |
2007 | 46.59 |
2008 | 45.52 |
2009 | |
2010 | 42.05 |
2011 | 41.3 |
2012 | 38.92 |
2013 | 37.16 |
2014 | 34.66 |
2015 | 31.81 |
2016 | 29.83 |
2017 | |
2018 | 29.78 |