年度 | 实际值 |
---|---|
1995 | 6.9 |
1996 | 6.3 |
1997 | 18.67 |
1998 | 4.2 |
1999 | 3.6 |
2000 | 3.2 |
2001 | 2.85 |
2002 | 3.89 |
2003 | 4.05 |
2004 | 3.82 |
2005 | 3.03 |
2006 | 2.5 |
2007 | 2.77 |
2008 | 2.4 |
2009 | |
2010 | 2.1 |
2011 | 1.64 |
2012 | 1.4 |
2013 | 1.26 |
2014 | 1.36 |
2015 | 1.37 |
2016 | 1.66 |
2017 | 1.52 |
2018 | 1.41 |