Year	% (cumulative)
1989	13.6525897979736
2000	28.1522197723389
2006	32.411491394043
2007	32.1096496582031
2008	33.2538986206055
2009	34.5086212158203
2010	34.0290107727051
2011	35.5301094055176
2012	36.044059753418
2013	37.067798614502
2014	37.0995788574219
2015	37.6036415100098
2016	37.7995796203613
2017	38.7834014892578
2018	40.2903594970703
2019	40.508186340332
2020	39.4988899230957
2021	38.5557632446289
2022	39.7783050537109