Year	% of revenue
1995	0.523911168459175
1996	0.49172112371858695
1997	0.5631197020495121
1998	0.5625352335502501
1999	0.5632291676735262
2000	0.4987373505987047
2001	0.48366207123992966
2002	0.45204579133122247
2003	0.4549987752388285
2004	0.8671577684542738
2005	0.4235103542433781
2006	0.480423285268113
2007	0.321636293562228
2008	0.34105658789238696
2009	0.35227329409868136
2010	0.4284119538513826
2011	0.4061092963715017
2012	0.5694327475130068
2013	0.5835662619753771
2014	0.6696227532279779
2015	0.5457005732253337
2016	0.5448335190582837
2017	0.4755374347089182
2018	0.5986333243420461
2019	0.5552708721318145
2020	0.3930634224149114
2021	0.5941869750045345
2022	0.537391269502795