年度 | 实际值 |
---|---|
1995 | 6.6 |
1996 | 7.5 |
1997 | 5.74 |
1998 | 6.5 |
1999 | 5.3 |
2000 | 9.1 |
2001 | 12.22 |
2002 | 15.09 |
2003 | 15.99 |
2004 | 19.85 |
2005 | 17.46 |
2006 | 17.79 |
2007 | 5.99 |
2008 | 4.58 |
2009 | |
2010 | 4.45 |
2011 | 4.72 |
2012 | 5.95 |
2013 | 5.9 |
2014 | 7.37 |
2015 | 8.99 |
2016 | 9.09 |
2017 | 4.39 |
2018 | 4.65 |