年度 | 实际值 |
---|---|
1995 | 41.3 |
1996 | 38.8 |
1997 | 34.73 |
1998 | 32.2 |
1999 | 27.9 |
2000 | 26.1 |
2001 | 22.24 |
2002 | 20.2 |
2003 | 18.43 |
2004 | 17.21 |
2005 | 15.28 |
2006 | 14.03 |
2007 | 13.44 |
2008 | 12.12 |
2009 | |
2010 | 12.7 |
2011 | 11.77 |
2012 | 10.96 |
2013 | 11.12 |
2014 | 10.42 |
2015 | 10.31 |
2016 | 10.1 |
2017 | |
2018 | 9.47 |