年度 | 实际值 |
---|---|
1995 | 9.9 |
1996 | 10.8 |
1997 | 10.01 |
1998 | 10.8 |
1999 | 10 |
2000 | 10 |
2001 | 9.3 |
2002 | 8.52 |
2003 | 7.05 |
2004 | 6.84 |
2005 | 4.67 |
2006 | 4.39 |
2007 | 3.97 |
2008 | 3.86 |
2009 | |
2010 | 3.51 |
2011 | 5.85 |
2012 | 5.8 |
2013 | 6.14 |
2014 | 5.78 |
2015 | 5.82 |
2016 | 5.61 |
2017 | |
2018 | 4.53 |