Year	% (cumulative)
1971	10.3244400024414
2001	55.6068305969238
2010	30.0470008850098
2011	31.0323734283447
2013	32.6523475646973
2014	33.2132301330566
2015	34.8120307922363
2016	63.0183906555176
2017	63.6419105529785
2018	64.3225479125977
2019	63.0099105834961
2020	66.2525787353516
2021	63.9589004516602
2022	64.8420104980469