Year	% gross
1972	4.6889500617981
1982	11.2924604415894
1983	11.0370197296143
1984	12.4250898361206
1986	12.9488697052002
1987	13.2104196548462
1989	13.3043603897095
1991	23.7072601318359
1992	22.3813209533691
1993	23.9573307037354
1994	25.7553596496582
1995	30.0945796966553
1996	29.742919921875
1997	29.3717308044434
1998	29.6442604064941
1999	30.4565296173096
2001	29.6543502807617
2002	31.9842700958252
2003	36.6103286743164
2004	37.3817901611328
2005	37.9816703796387
2006	42.1535491943359
2007	44.5335502624512
2008	46.5407485961914
2009	54.3745803833008
2012	98.8068695068359
2013	102.562599182129
2014	104.638526916504
2015	99.7687759399414
2016	94.7261199951172
2017	78.9738311767578
2018	98.1324081420898
2019	104.446243286133
2020	87.0182418823242
2021	89.6743850708008