Year	Number
1996	0.644922494888306
1998	0.65214592218399
2000	0.618822574615479
2002	0.568053841590881
2003	0.576729536056519
2004	0.125093668699265
2005	0.362013220787048
2006	0.279721796512604
2007	0.358816355466843
2008	0.329717963933945
2009	0.528889834880829
2010	0.609069526195526
2011	0.691294491291046
2012	0.542693614959717
2013	0.421024292707443
2014	0.293620437383652
2015	0.419157713651657
2016	0.49628883600235
2017	0.56398469209671
2018	0.28326153755188
2019	0.251602798700333
2020	0.300448268651962
2021	0.701729655265808
2022	0.556007385253906