Year | Kendall coefficient | p-value |
---|---|---|
2008 | 0.97 | 1.66×10−61 |
2009 | 0.96 | 3.52×10−60 |
2010 | 0.96 | 4.32×10−60 |
2011 | 0.96 | 2.00×10−60 |
2012 | 0.95 | 9.69×10−59 |
2013 | 0.94 | 1.70×10−58 |
2014 | 0.94 | 7.71×10−58 |
2015 | 0.93 | 1.19×10−56 |
2016 | 0.94 | 1.44×10−57 |
2017 | 0.93 | 3.21×10−56 |
2018 | 0.93 | 2.27×10−56 |