年度 | 实际值 |
---|---|
1995 | 6.9 |
1996 | 7.1 |
1997 | 28.89 |
1998 | |
1999 | 6 |
2000 | 5.6 |
2001 | 4.85 |
2002 | 4.8 |
2003 | 4.74 |
2004 | 4.28 |
2005 | 3.85 |
2006 | 3.42 |
2007 | 3 |
2008 | 2.99 |
2009 | |
2010 | 3.35 |
2011 | 2.61 |
2012 | 2.13 |
2013 | 1.81 |
2014 | 5.04 |
2015 | 4.78 |
2016 | 6.01 |
2017 | 6.54 |
2018 | 5.87 |