Year	% of revenue
1995	1.3575990437740855
1996	1.318614625886769
1997	1.8572142793231903
1998	1.145071842702294
1999	1.197124334039412
2000	1.2822969091147556
2001	1.3982124004933494
2002	1.150873725140209
2003	0.9969651166487217
2004	1.5073978331782976
2005	2.0070785592025486
2006	1.8700415000469932
2007	1.216287210743587
2008	1.1748789040039125
2009	1.5817297296342026
2010	1.430099116120196
2011	1.3341437501011224
2012	1.277994790653359
2013	1.0221819042773919
2014	0.9818916120376886
2015	1.1408693276785011
2016	1.1058779858835308
2017	0.9893818688237083
2018	0.9376310411526587
2019	0.9085226879112862
2020	0.9077553048332719
2021	0.87541922904673
2022	0.8627249730374151