Year	% gross
1970	84.050537109375
1993	134.624359130859
1994	132.973785400391
1995	143.859954833984
1996	148.626983642578
1997	153.003173828125
2015	159.110763549805
2016	155.594390869141
2017	153.576126098633
2018	136.105545043945
2019	144.056564331055
2020	137.490737915039
2021	135.526565551758
2022	133.277267456055