Year	% gross
1971	82.1358337402344
1972	82.0935668945312
1973	81.9909973144531
1974	82.2320327758789
1976	82.5715866088867
1977	82.7528228759766
1978	85.0725708007812
1981	92.4157867431641
1982	96.7674407958984
1983	98.5265426635742
1984	98.9204406738281
1985	97.3881607055664
1986	98.8708419799805
1987	103.442779541016
1988	103.027740478516
1989	104.992897033691
1990	96.8498764038086
1991	107.525657653809
1992	116.717651367188
1993	117.913673400879
1994	119.011512756348
1995	112.427642822266
1999	98.3508605957031
2000	101.341636657715
2001	100.162590026855
2002	101.022651672363
2003	103.945381164551
2004	105.542137145996
2005	106.78426361084
2006	107.025978088379
2008	109.825233459473
2009	109.136711120605
2010	110.239059448242
2014	113.86026763916
2016	118.393646240234
2017	119.090110778809
2018	118.48072052002