年度 | 实际值 |
---|---|
2000 | 24.9609 |
2001 | 20.5846 |
2002 | 21.131 |
2003 | 20.9890722807475 |
2004 | 20.7732286466003 |
2005 | 19.2605 |
2006 | 19.0936 |
2007 | 18.8006 |
2008 | |
2009 | 18.4709 |
2010 | 21.7428 |
2011 | 21.1045 |
2012 | 20.2693 |
2013 | 19.9185 |
2014 | 19.5892 |
2015 | 19.2401 |