年度 | 实际值 |
---|---|
2000 | 5.3 |
2001 | 6 |
2002 | 8.1 |
2003 | 6.6 |
2004 | 8.9 |
2005 | 11.2 |
2006 | 14.2 |
2007 | 12.91963414 |
2008 | 12.8133361695458 |
2009 | 13 |
2010 | 13.8 |
2011 | 15.5419911365229 |
2012 | 5.81199308348539 |
2013 | 6 |
2014 | 5.9 |
2015 | 5.38152931079222 |
2016 | 5.4 |
2017 | 2.9 |