年度 | 实际值 |
---|---|
1995 | 35.6 |
1996 | 34.6 |
1997 | 36.24 |
1998 | 38.6 |
1999 | 40.2 |
2000 | 42.3 |
2001 | 42.28 |
2002 | 42.66 |
2003 | 45.58 |
2004 | 41.33 |
2005 | 41.24 |
2006 | 40.07 |
2007 | 37.51 |
2008 | 35.19 |
2009 | |
2010 | 33.4 |
2011 | 31.41 |
2012 | 31.67 |
2013 | 32.59 |
2014 | 34.88 |
2015 | 36.91 |
2016 | 39.63 |
2017 | |
2018 | 46 |