Year	% (cumulative)
1972	6.09999990463257
2005	16.8769207000732
2006	30.7292308807373
2007	25.4684772491455
2008	30.1863307952881
2009	29.2017097473145
2010	30.2303104400635
2011	34.6372299194336
2012	34.0174903869629
2013	35.0148086547852
2014	36.5361213684082
2015	34.5914115905762
2016	96.1202621459961
2017	37.6778411865234
2018	30.5411396026611
2019	42.4178695678711
2021	38.0621452331543