年度 | 实际值 |
---|---|
2000 | 6.7 |
2001 | 6.2 |
2002 | 8.1 |
2003 | 10.3 |
2004 | 12 |
2005 | 14.3 |
2006 | 15 |
2007 | 17.73192465 |
2008 | 10.5272844904515 |
2009 | 12.7735195852444 |
2010 | 18.8 |
2011 | 6.11662476645908 |
2012 | 4.24475876530217 |
2013 | 6.5 |
2014 | 6.8 |
2015 | 6.86927405909668 |
2016 | 6.8 |
2017 | 4.1 |