Year	% gross
1981	92.8870315551758
1986	88.6188430786133
1991	99.5463333129883
1992	96.7816925048828
1993	86.6142196655273
1994	85.28369140625
1995	83.8724594116211
1996	84.6119613647461
1997	87.5006713867188
1998	92.1771469116211
1999	96.391471862793
2000	101.229949951172
2001	102.695236206055
2002	103.32967376709
2003	103.740409851074
2004	104.983947753906
2005	103.139099121094
2006	104.71443939209
2007	107.824989318848
2008	108.362197875977
2009	107.789581298828
2010	107.449516296387
2011	108.015098571777
2012	109.747756958008
2013	110.558212280273
2014	109.708587646484
2015	107.67700958252
2016	104.187187194824
2017	103.245559692383
2018	101.231880187988
2019	101.853393554688
2020	101.76244354248
2021	102.966720581055
2022	104.548118591309
2023	103.414001464844