年度 | 实际值 |
---|---|
1995 | 8.1 |
1996 | 8 |
1997 | 14.68 |
1998 | 6.4 |
1999 | 6 |
2000 | 5.2 |
2001 | 5.15 |
2002 | 7.89 |
2003 | 13.8 |
2004 | 13.08 |
2005 | 12.73 |
2006 | 11.31 |
2007 | 9.62 |
2008 | 9.1 |
2009 | |
2010 | 7.67 |
2011 | 6.84 |
2012 | 6.89 |
2013 | 6.6 |
2014 | 6.12 |
2015 | 5.95 |
2016 | 5.8 |
2017 | 5.03 |
2018 | 4.1 |