Year	% gross
1971	132.408798217773
1972	135.958679199219
1973	137.153625488281
1974	140.309997558594
1975	112.832473754883
1976	111.349388122559
1977	110.06916809082
1978	108.806129455566
1979	107.262237548828
1980	105.26065826416
1981	103.89282989502
1982	101.967651367188
1983	102.567520141602
1984	100.82926940918
1985	101.460029602051
1986	91.2400588989258
1988	111.108238220215
1993	126.450790405273
1994	120.556869506836
1995	117.448341369629
1996	111.465660095215
1997	123.724243164062
1998	116.343727111816
1999	109.885292053223
2000	91.825798034668
2001	93.6280975341797
2002	105.938720703125
2003	108.785842895508
2004	105.010917663574
2005	98.7076797485352
2007	99.1701202392578
2008	100.838157653809
2009	105.22038269043
2010	104.69499206543
2011	102.762001037598
2013	101.32787322998
2014	101.676071166992
2015	101.628967285156
2016	97.8469619750977
2021	80.2649993896484