年度 | 实际值 |
---|---|
1995 | 53.8 |
1996 | 52.7 |
1997 | 52.25 |
1998 | 51.8 |
1999 | 51.5 |
2000 | 51.3 |
2001 | 50.61 |
2002 | 50.61 |
2003 | 51.88 |
2004 | 53 |
2005 | 50.87 |
2006 | 50.4 |
2007 | 50.17 |
2008 | 49.97 |
2009 | |
2010 | 47.81 |
2011 | 47.35 |
2012 | 45.79 |
2013 | 43.89 |
2014 | 41.77 |
2015 | 38.89 |
2016 | 36.42 |
2017 | |
2018 | 33.84 |