Rank	Countries/Territories	Count	Percent
1	United States	417	37.1%
2	China	364	32.4%
3	Germany	139	12.4%
4	Canada	39	3.5%
5	Ireland	39	3.5%
6	Japan	20	1.8%
7	France	17	1.5%
8	Ukraine	10	0.9%
9	Netherlands	9	0.8%
10	Cyprus	8	0.7%
11	Australia	8	0.7%
12	Egypt	6	0.5%
13	Singapore	6	0.5%
14	Taiwan	6	0.5%
15	Thailand	5	0.4%
16	Korea, Republic of	5	0.4%
17	Latvia	4	0.4%
18	Cote D'ivoire	3	0.3%
19	Portugal	3	0.3%
20	Nigeria	2	0.2%
21	Norway	2	0.2%
22	Bulgaria	2	0.2%
23	Mexico	2	0.2%
24	Indonesia	1	0.1%
25	Argentina	1	0.1%
26	Bangladesh	1	0.1%
27	Philippines	1	0.1%
28	Russia	1	0.1%
29	Spain	1	0.1%
30	United Kingdom	1	0.1%