年度 | 实际值 |
---|---|
1995 | 6.2 |
1996 | 6.9 |
1997 | 2.87 |
1998 | 7.6 |
1999 | 7.8 |
2000 | 9 |
2001 | 6.56 |
2002 | 6.16 |
2003 | 5.43 |
2004 | 6.48 |
2005 | 6.78 |
2006 | 7.71 |
2007 | 6.18 |
2008 | 6.8 |
2009 | |
2010 | 6.47 |
2011 | 6.19 |
2012 | 6.08 |
2013 | 6.3 |
2014 | 7.09 |
2015 | 7.31 |
2016 | 7.03 |
2017 | 6.76 |
2018 | 6.01 |