Year	%
2007	0.428866
2008	0.4301075
2009	0.4130183
2010	0.4107451
2011	0.4098361
2012	0.6501361
2013	0.8229898
2014	0
2015	0.6663113
2016	0.8346533
2017	0.2567153
2018	0.2652005
2019	0.2631241
2020	0.2788622
2021	0.2788622