年度 | 实际值 |
---|---|
1995 | 17.7 |
1996 | 20.4 |
1997 | 57.1 |
1998 | 16.9 |
1999 | 14.8 |
2000 | 11.7 |
2001 | 11.72 |
2002 | 11.35 |
2003 | 11.06 |
2004 | 12.85 |
2005 | 13.96 |
2006 | 12.2 |
2007 | 9.7 |
2008 | 9.59 |
2009 | |
2010 | 9.95 |
2011 | 11.6 |
2012 | 33.24 |
2013 | 32.03 |
2014 | 30.23 |
2015 | 31.07 |
2016 | 3.17 |
2017 | 3.84 |
2018 | 4.07 |