年度 | 实际值 |
---|---|
1999 | 21.961 |
2000 | 21.9094 |
2001 | 22.2642 |
2002 | 22.3776 |
2003 | 22.1153 |
2004 | 21.9584 |
2005 | 22.081 |
2006 | 22.2626 |
2007 | 22.7951 |
2008 | 23.3425 |
2009 | 23.5278 |
2010 | 23.7351 |
2011 | 23.9331 |
2012 | 23.6367 |
2013 | 23.7714 |
2014 | 24.0518 |
2015 | 23.7135 |