Year | S ± 0.6 | D | C |
2008 | 3.1 | 6 | 0.59 |
2009 | 3.0 | 7 | 0.59 |
2010 | 3.0 | 7 | 0.61 |
2011 | 3.0 | 6 | 0.62 |
2012 | 2.9 | 7 | 0.65 |
2013 | 3.0 | 6 | 0.63 |
2014 | 3.0 | 6 | 0.63 |
2015 | 3.0 | 6 | 0.65 |
2016 | 2.9 | 7 | 0.68 |
2017 | 2.9 | 7 | 0.68 |