年度 | 实际值 |
---|---|
1995 | 9.3 |
1996 | 8.2 |
1997 | 18.25 |
1998 | 7 |
1999 | 5.9 |
2000 | 4.6 |
2001 | 1.4 |
2002 | 1.34 |
2003 | 6.09 |
2004 | 5.83 |
2005 | 5.5 |
2006 | 5.37 |
2007 | 5.55 |
2008 | 5.17 |
2009 | |
2010 | 4.91 |
2011 | 4.64 |
2012 | 4.45 |
2013 | 4.35 |
2014 | 3.86 |
2015 | 3.72 |
2016 | 3.48 |
2017 | 0.95 |
2018 | 0.86 |