年度 | 实际值 |
---|---|
1998 | 3.5 |
1999 | 16.3 |
2000 | 8.9 |
2001 | .586666666666667 |
2002 | |
2003 | 25.17 |
2004 | 25.52 |
2005 | 26 |
2006 | 50 |
2007 | 44.45 |
2008 | 43.33 |
2009 | |
2010 | 36.81 |
2011 | 44.29 |
2012 | 44.26 |
2013 | 36.28 |
2014 | 40.1 |
2015 | 39.54 |
2016 | 35.79 |
2017 | 39.48 |
2018 | 40.12 |