Year	% (cumulative)
1970	3.6603798866272
1980	1.35476005077362
1985	2.30001997947693
2002	4.75122022628784
2003	5.48101997375488
2004	4.90361022949219
2005	4.18779993057251
2006	4.16617012023926
2007	4.386390209198
2008	4.65347003936768
2009	5.83430004119873
2010	6.18814992904663
2011	6.14247989654541
2012	6.45047998428345
2013	11.3041954040527
2014	7.13677978515625
2015	7.81812000274658
2016	12.3677625656128
2017	11.8335399627686
2018	13.4194784164429
2019	16.2631607055664
2020	13.7931442260742
2021	15.7067003250122
2022	13.442756652832
