年度 | 实际值 |
---|---|
1995 | 30.8 |
1996 | 29.2 |
1997 | 36.46 |
1998 | 17.7 |
1999 | 18.9 |
2000 | 6.4 |
2001 | 8.98 |
2002 | 6.17 |
2003 | 7.49 |
2004 | 7.71 |
2005 | 10 |
2006 | 13.14 |
2007 | 10.42 |
2008 | 10.87 |
2009 | |
2010 | 9.35 |
2011 | 7.23 |
2012 | 6.86 |
2013 | 7.21 |
2014 | 6.4 |
2015 | 6.14 |
2016 | 5.85 |
2017 | 5.39 |
2018 | 4.29 |