Year	% of revenue
1995	0.8699741359040678
2002	0.6958845584555738
2003	0.6064012712000357
2004	0.4633301649180342
2005	0.5572406945724215
2006	3.449161663518748
2007	3.7783904907757897
2008	0.5645648363536302
2009	0.6268393472329702
2010	0.6242405974330804
2011	0.6709227741460119
2012	2.852448502928463
2013	1.1310112239408894
2014	2.549384972863207
2015	2.446813302853616
2016	2.2848238834123387
2017	2.4961214287921143
2018	5.59169425023507
2019	2.7730571442169594
2020	2.6594071152932512
2021	2.8217330510997627
2022	2.709701856633074