Year	% gross
1980	131.049392700195
1982	141.00178527832
1986	148.011016845703
1992	120.399978637695
1993	122.866661071777
1994	125.446571350098
1995	122.310081481934
1996	122.243438720703
1997	119.407600402832
1998	125.3798828125
1999	126.769729614258
2000	127.288780212402
2001	124.851081848145
2002	122.174880981445
2003	121.526962280273
2004	120.154891967773
2005	114.222267150879
2006	112.658378601074
2007	107.769149780273
2008	105.49405670166
2009	104.686576843262
2010	102.207000732422
2011	100.485000610352
2012	97.5579986572266
2013	95.75
2014	96.8030014038086
2015	99.0130920410156
2016	98.1039962768555
2017	96.9440002441406
2018	96.588996887207
2019	97.1279983520508
2020	97.8300018310547