Year	% gross
2001	36.9752197265625
2002	42.8352317810059
2003	46.3433303833008
2004	56.0434494018555
2005	55.6152687072754
2008	54.5242195129395
2009	65.4746322631836
2010	67.890998840332
2011	70.2509994506836
2012	70.1039962768555
2013	67.890998840332
2014	69.4400024414062
2015	73.0579986572266
2016	77.5469970703125
2017	81.1480026245117
2018	83.1019973754883
2019	85.3170013427734
2020	85.2119979858398