Year	% gross
1983	9.80601024627686
1984	11.1551904678345
1985	12.1402797698975
1986	11.6750497817993
1987	12.4480199813843
1988	13.0768699645996
1989	13.6453399658203
1992	19.3465099334717
1993	20.1557197570801
1996	35.6711082458496
1998	37.4025611877441
1999	38.9545211791992
2020	86.6674423217773