Year	% of revenue
1990	0.9924683708678069
1991	1.43848234233528
1992	1.2526702554900453
1993	0.9993017301574987
1994	2.9533125577100647
1995	0.8226858438869089
1996	0.22923646623170518
2004	0.043366572535694516
2005	0.17085772211503875
2006	0.0669153806975195