Year	% gross
1972	89.010009765625
1974	72.9365768432617
1975	64.1894836425781
1977	73.7979736328125
1978	73.9937362670898
1992	97.6166534423828
2000	82.5731430053711
2007	110.629692077637
2008	121.756370544434
2009	115.24861907959
2010	112.237670898438
2011	114.83097076416
2012	107.934753417969
2014	114.350028991699
2015	115.632179260254
2017	117.840377807617
2018	122.917930603027