年度 | 实际值 |
---|---|
1995 | 5.4 |
1996 | 6.6 |
1997 | 4.28 |
1998 | 5 |
1999 | 3.4 |
2000 | 3.3 |
2001 | 3.4 |
2002 | 3.45 |
2003 | 4.64 |
2004 | 4.93 |
2005 | 5.02 |
2006 | 4.57 |
2007 | 3.65 |
2008 | 3.36 |
2009 | |
2010 | 5.51 |
2011 | 5.88 |
2012 | 7.2 |
2013 | 8.79 |
2014 | 9.28 |
2015 | 10.84 |
2016 | 9.44 |
2017 | 8.79 |
2018 | 8.09 |