年度 | 实际值 |
---|---|
2000 | 12 |
2001 | 11.9 |
2002 | 10 |
2003 | 16.8 |
2004 | 17.5 |
2005 | 19.4 |
2006 | 22.6 |
2007 | 15.2000408390308 |
2008 | 11.5999651606811 |
2009 | 9.81789987822508 |
2010 | 10.3 |
2011 | 14.3005398063623 |
2012 | 10.4 |
2013 | 12.1 |
2014 | 5.7 |
2015 | 6.08843326859905 |
2016 | 11.5 |
2017 | 4.1 |