Year	% of revenue
1998	0.28191483122255634
1999	0.4329900770231267
2000	0.32073629125316055
2001	0.343124827141145
2002	0.11106743163620629
2003	0.013798809149328996
2004	0.006064976567726768
2005	0.0014560853525339872
2006	0.0037949703992308857
2007	0.3129830355514166
2008	0.0021235480240385635
2009	-0.0009822507293211664
2010	-0.0016174294194237098
2011	-0.0014798501018898473
2012	-0.004736518027713893
2013	0
2014	0.0010192881983068765
2015	0.00033426824701301966
2016	0.005420912727918623
2017	0.0008332080566609844
2018	0.00029799245115005364
2019	-2.764259397549014E-06
2020	3.431253205582322E-05
2021	7.51986114963774E-05
2022	1.8794963543691137E-05