Year	% (cumulative)
2007	48.477481842041
2009	45.9335250854492
2010	46.4075622558594
2011	43.691650390625
2012	48.1518363952637
2013	48.5207748413086
2015	47.3234710693359
2017	43.519889831543
2018	24.2692451477051
2019	27.4885902404785
2020	43.3225784301758
2021	28.5798759460449