年度 | 实际值 |
---|---|
1995 | 6.1 |
1996 | 6.6 |
1997 | 2.3 |
1998 | 6.9 |
1999 | 6.8 |
2000 | 6.4 |
2001 | 5.91 |
2002 | 6.13 |
2003 | 4.99 |
2004 | 5.2 |
2005 | 7.7 |
2006 | 6.81 |
2007 | 6.1 |
2008 | 5.71 |
2009 | |
2010 | 5.73 |
2011 | 5.79 |
2012 | 5.72 |
2013 | 5.26 |
2014 | 12.72 |
2015 | 11.9 |
2016 | 11.03 |
2017 | 9.83 |
2018 | 8.46 |