Year	% gross
1970	120.162086486816
1971	124.04859161377
1972	122.002853393555
1973	123.566650390625
1974	122.530067443848
1979	131.821441650391
1989	130.728851318359
1999	144.214828491211
2012	101.953323364258
2013	106.955070495605
2014	107.334297180176
2015	106.721626281738
2016	106.517860412598
2017	108.09001159668
2018	107.111892700195
2019	105.67684173584
2020	102.880798339844
2021	101.901641845703