Year	% (cumulative)
2001	75.7340469360352
2002	41.9750785827637
2005	44.1053657531738
2008	81.7339477539062
2011	85.2262191772461
2012	87.2148971557617
2013	86.9020080566406
2014	87.4635696411133
2015	88.6462173461914
2016	89.3892822265625
2017	83.5595169067383
2018	90.2688522338867
2019	90.7103652954102