年度 | 实际值 |
---|---|
1992 | 7.4 |
1993 | 8.4 |
1994 | |
1995 | 7.34 |
1996 | 7.45 |
1997 | 7.52 |
1998 | 4.72 |
1999 | 7.02 |
2000 | 6.83 |
2001 | 5.27 |
2002 | 3.28 |
2003 | 3.56 |
2004 | 4.68 |
2005 | 4.58 |
2006 | 4.04 |
2007 | 3.96 |
2008 | 4.69 |
2009 | |
2010 | 4.7 |
2011 | 6 |
2012 | 5.8 |
2013 | 6.6 |
2014 | 6.6 |
2015 | 6.72 |
2016 | 10.04 |
2017 | 16.97 |
2018 | 12.6 |