Year	% gross
1990	115.42204284668
1991	117.397689819336
1992	117.80786895752
1993	116.699333190918
1994	111.280502319336
1995	92.2533569335938
1996	92.4584121704102
1997	93.3733978271484
1998	94.3832473754883
1999	96.2153015136719
2000	96.7515335083008
2001	97.7533493041992
2002	98.4116592407227
2003	99.1267929077148
2004	100.254592895508
2005	100.219673156738
2006	100.04842376709
2007	100.769180297852
2008	103.028770446777
2009	102.96199798584
2010	103.287422180176
2011	103.730407714844
2012	102.101089477539
2013	101.291870117188
2014	100.613487243652
2015	100.332946777344
2016	99.9861297607422
2017	101.383728027344
2018	101.073837280273
2019	102.275619506836
2020	101.578002929688
2021	100.499000549316
2022	101.143997192383
2023	100.651000976562