Year	% (cumulative)
2006	67.7118301391602
2007	69.1431427001953
2008	67.01953125
2009	82.6486892700195
2010	84.5431976318359
2011	84.5514373779297
2012	86.4146499633789
2013	72.0295104980469
2014	73.2993927001953
2015	75.8234710693359
2016	76.170768737793
2017	76.6732788085938
2018	77.9941711425781
2019	79.0581817626953
2020	80.0719985961914
2021	81.1361389160156