年度 | 实际值 |
---|---|
1995 | 32.7 |
1996 | 33.5 |
1997 | 33.68 |
1998 | 34.6 |
1999 | 37.8 |
2000 | 39.3 |
2001 | 37.91 |
2002 | 37.91 |
2003 | 36.77 |
2004 | 34.87 |
2005 | 37.56 |
2006 | 37.91 |
2007 | 36.78 |
2008 | 38.82 |
2009 | |
2010 | 40.04 |
2011 | 39 |
2012 | 39 |
2013 | 39.99 |
2014 | 42.53 |
2015 | 44.37 |
2016 | 48.36 |
2017 | |
2018 | 42.52 |