年度 | 实际值 |
---|---|
1995 | 4.7 |
1996 | 4.5 |
1997 | 19.13 |
1998 | 4.3 |
1999 | |
2000 | 3.8 |
2001 | 3.56 |
2002 | 10.09 |
2003 | 7.78 |
2004 | 10.7 |
2005 | 9.57 |
2006 | 8.83 |
2007 | 7.31 |
2008 | 7.04 |
2009 | |
2010 | 6.54 |
2011 | 9.09 |
2012 | 9.12 |
2013 | 9.59 |
2014 | 8.89 |
2015 | 8.88 |
2016 | 8.26 |
2017 | 7.31 |
2018 | 6.91 |