Year	% gross
1971	126.451438903809
1972	128.55908203125
1973	130.283416748047
1974	130.48974609375
1975	134.438079833984
1976	137.821899414062
1977	135.158264160156
1978	140.761505126953
1979	136.718246459961
1980	138.325424194336
1981	139.328521728516
1982	138.877197265625
1983	138.205383300781
1984	138.542175292969
1985	138.643753051758
1986	137.211624145508
1987	137.649139404297
1988	135.11572265625
1989	138.22819519043
1992	126.63037109375
1994	130.478713989258
1995	136.430313110352
1996	134.977127075195
1997	134.675155639648
1999	133.592544555664
2001	129.432220458984
2002	135.531188964844
2003	132.965225219727
2011	130.165969848633
2019	100.588996887207