Year	%
2007	74.1083
2008	74.3669
2009	74.2385
2010	73.03471
2011	74.6862
2012	71.63934
2013	70.76529
2014	69.66744
2015	70.01266
2016	70.5573
2017	69.54196
2018	67.38876
2019	67.38876
2020	65.84943
2021	65.84943
