年度 | 实际值 |
---|---|
1997 | 28.25 |
1998 | 28 |
1999 | |
2000 | |
2001 | |
2002 | 27.83 |
2003 | 33.26 |
2004 | 36.02 |
2005 | 43.38 |
2006 | 46.69 |
2007 | 49.33 |
2008 | 52.52 |
2009 | |
2010 | 47.01 |
2011 | 46.32 |
2012 | 46.56 |
2013 | 46.31 |
2014 | 42.83 |
2015 | 40.31 |
2016 | 40.82 |
2017 | |
2018 | 35.41 |