Year	% gross
1971	26.1413593292236
1972	35.5737686157227
1973	35.3615493774414
1986	139.935668945312
1987	121.363548278809
1988	106.65869140625
1989	96.5427474975586
1994	78.5606536865234
1995	79.0857620239258
1997	86.4157485961914
1998	89.5475082397461
1999	97.8159790039062
2000	103.122932434082
2001	112.619209289551
2002	127.840927124023
2003	133.078979492188
2004	137.88053894043
2005	137.760864257812
2006	135.062072753906
2007	132.164413452148
2008	126.713188171387
2009	124.164688110352
2010	122.349128723145
2011	117.414001464844
2012	114.522003173828
2013	113.88500213623
2014	109.710998535156
2015	106.134002685547
2016	105.301002502441
2017	104.761001586914
2018	104.213996887207
2019	103.776000976562
2020	109.735961914062
2021	108.378997802734
2022	110.958000183105
