Year	% of revenue
1998	0.4228177562882524
1999	1.4846801215061642
2000	0.963239941015378
2001	1.0985089931546712
2003	1.1899077844871975
2004	1.3049324262204651
2021	0.006292851372971306
2022	0.006947220412930852