年度 | 实际值 |
---|---|
1997 | 4.98 |
1998 | 4.77 |
1999 | 3.69 |
2000 | 3.51 |
2001 | 2.43 |
2002 | 2.74 |
2003 | 1.76 |
2004 | 2.37 |
2005 | 2.79 |
2006 | 5.88 |
2007 | 4.31 |
2008 | -2.86 |
2009 | |
2010 | -4.54 |
2011 | 3.3 |
2012 | .5 |
2013 | 3.2 |
2014 | 3.1 |
2015 | 9.96 |
2016 | 7.18 |
2017 | -0.19 |
2018 | 7.08 |