Year	% gross
1981	50.7659301757813
1982	38.1841201782227
1986	23.6729297637939
1987	21.7778301239014
1988	19.7394104003906
1989	18.7498893737793
1990	16.5564994812012
1991	16.7222595214844
1992	18.8460502624512
1998	25.5700702667236
1999	28.6705303192139
2007	124.487297058105
2008	111.359329223633
2009	98.8965911865234
2010	85.7201766967773
2011	59.878231048584
2016	41.8932800292969