Year	% (cumulative)
1970	9.05807018280029
1985	7.75312995910645
2001	25.3595504760742
2002	45.4981994628906
2003	47.1623115539551
2004	48.6118087768555
2005	48.7979583740234
2006	49.1734199523926
2007	50.0115699768066
2008	51.6452484130859
2009	55.2759399414062
2010	56.0541381835938
2011	57.9543113708496
2012	59.8189086914062
2013	38.1824417114258
2014	62.7968711853027
2015	62.7967910766602
2016	36.2719306945801
2017	60.4785804748535
2018	39.9869117736816
2019	54.322811126709
2020	47.9248008728027
2021	72.8816833496094
2022	42.1710052490234