年度 | 实际值 |
---|---|
1995 | 42.1 |
1996 | 37.6 |
1997 | 38.8 |
1998 | 51.7 |
1999 | |
2000 | 38.1 |
2001 | 37.59 |
2002 | 39.3 |
2003 | 38.51 |
2004 | 37.48 |
2005 | 36.35 |
2006 | 36.11 |
2007 | 35.09 |
2008 | 33.48 |
2009 | |
2010 | 32.18 |
2011 | 30.17 |
2012 | 32.4 |
2013 | 34.94 |
2014 | 35.99 |
2015 | 37.84 |
2016 | 40.11 |
2017 | |
2018 | 42.08 |