年度 | 实际值 |
---|---|
1995 | 4.8 |
1996 | 5.5 |
1997 | 15.9 |
1998 | .6 |
1999 | 1.6 |
2000 | 1.5 |
2001 | 1.24 |
2002 | 1.21 |
2003 | 1.22 |
2004 | 1.52 |
2005 | 1.21 |
2006 | 1.03 |
2007 | .9 |
2008 | 1 |
2009 | |
2010 | .75 |
2011 | .59 |
2012 | .64 |
2013 | .6 |
2014 | .54 |
2015 | 2.04 |
2016 | 1.93 |
2017 | 1.71 |
2018 | 1.62 |