Year	% gross
1971	76.231689453125
1972	79.6849822998047
1973	79.9561386108398
1974	77.6141204833984
1975	83.362922668457
1976	79.764289855957
1977	101.578536987305
1978	109.118408203125
1979	107.998489379883
1980	116.013473510742
1981	124.151443481445
1982	121.180870056152
1983	111.054962158203
1985	104.57494354248
1988	90.9458465576172
1989	92.3617477416992
1990	89.8085632324219
1991	92.2985610961914
1992	83.1162796020508
1993	82.4524688720703
1994	81.2023086547852
1995	81.7664184570312
1996	82.3332214355469
1998	88.0688705444336
1999	90.55908203125
2000	95.5568313598633
2001	96.3056716918945
2002	96.9565124511719
2003	110.95654296875
2004	126.628356933594
2005	131.436996459961
2006	132.185623168945
2007	134.876327514648
2008	138.929763793945
2009	147.38232421875
2010	142.236404418945
2011	141.487518310547
2012	141.838104248047
2013	141.391891479492
2014	142.09309387207
2015	143.363037109375
2016	139.134887695312
2017	144.085006713867
2018	137.814712524414
2019	130.682174682617
2020	132.690002441406
2021	147.794006347656
2022	140.378997802734