年度 | 实际值 |
---|---|
1995 | 35.5 |
1996 | 27.6 |
1997 | 28.83 |
1998 | 29.3 |
1999 | 31.1 |
2000 | 33.7 |
2001 | 36.67 |
2002 | 43.13 |
2003 | 42.88 |
2004 | 40.25 |
2005 | 38.33 |
2006 | 37.2 |
2007 | 36.98 |
2008 | 36.57 |
2009 | |
2010 | 39.2 |
2011 | 36.7 |
2012 | 36.4 |
2013 | 34.74 |
2014 | 35.23 |
2015 | 37.98 |
2016 | 39.41 |
2017 | |
2018 | 38.34 |