年度 | 实际值 |
---|---|
1995 | 16.6 |
1996 | 16.8 |
1997 | 17.63 |
1998 | 16.1 |
1999 | |
2000 | 37.4 |
2001 | 35.83 |
2002 | 33.49 |
2003 | 29.83 |
2004 | 31.78 |
2005 | 27.5 |
2006 | 24.44 |
2007 | 23.95 |
2008 | 23.73 |
2009 | |
2010 | 19.85 |
2011 | 18.63 |
2012 | 17.94 |
2013 | 17.18 |
2014 | 16.43 |
2015 | 16.36 |
2016 | 15.96 |
2017 | |
2018 | 11.94 |