年度 | 实际值 |
---|---|
1993 | 7.9 |
1994 | |
1995 | 18.5 |
1996 | 23.3 |
1997 | 16.9 |
1998 | 17 |
1999 | 22.4 |
2000 | 20.3 |
2001 | 1.24 |
2002 | |
2003 | 19.16 |
2004 | 19.2 |
2005 | 20 |
2006 | 7.38 |
2007 | 4.21 |
2008 | 3.29 |
2009 | |
2010 | 29.7 |
2011 | 32.68 |
2012 | 35.42 |
2013 | 27.3 |
2014 | 29.07 |
2015 | 27.3 |
2016 | 28 |
2017 | 22.77 |
2018 | 24 |