Year	% of revenue
2008	1.011253984336385
2009	1.2239902080783354
2010	1.1750360774736905
2011	1.2379339417242976
2012	0.958932391497821
2013	0.9001917901020501
2014	0.6949397533850774
2015	0.8430075334471469
2016	0.9849022838313829
2017	0.9518713190224632
2018	0.7957537086507747
2019	0.884290617022776
2020	0.8703855463709264
2021	0.7706326606575504