年度 | 实际值 |
---|---|
1995 | 6.6 |
1996 | 6.8 |
1997 | 3.45 |
1998 | 5.9 |
1999 | |
2000 | 5.8 |
2001 | 5.99 |
2002 | 5.8 |
2003 | 4.65 |
2004 | 6.77 |
2005 | 6.77 |
2006 | 7.2 |
2007 | 6.42 |
2008 | 6.49 |
2009 | |
2010 | 6.74 |
2011 | 5.5 |
2012 | 5.31 |
2013 | 4.84 |
2014 | 4.55 |
2015 | 4.38 |
2016 | 4.15 |
2017 | 3.63 |
2018 | 3.4 |