Year	% (cumulative)
1981	10.5467796325684
2005	24.7642498016357
2006	26.4508094787598
2007	26.8746204376221
2008	27.1536502838135
2010	27.7559700012207
2014	30.8923301696777
2015	30.8912696838379
2016	27.0403499603271
2017	32.7648620605469
2018	33.8424949645996
2019	34.099006652832
2020	35.4294090270996
2021	36.448543548584
2022	36.2710723876953