Rank	Countries/Territories	Count	Percent
1	United States	548	43.3%
2	China	361	28.5%
3	Germany	146	11.5%
4	Japan	37	2.9%
5	Sweden	27	2.1%
6	France	17	1.3%
7	Cyprus	16	1.3%
8	Canada	15	1.2%
9	Russia	15	1.2%
10	Netherlands	10	0.8%
11	Singapore	8	0.6%
12	Ireland	7	0.6%
13	Australia	7	0.6%
14	Argentina	5	0.4%
15	Hong Kong	5	0.4%
16	Korea, Republic of	3	0.2%
17	Latvia	3	0.2%
18	Brazil	3	0.2%
19	Italy	3	0.2%
20	Pakistan	3	0.2%
21	United Kingdom	3	0.2%
22	Ukraine	3	0.2%
23	Peru	2	0.2%
24	Portugal	2	0.2%
25	Bahrain	2	0.2%
26	Bangladesh	2	0.2%
27	Malaysia	2	0.2%
28	Indonesia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	India	1	0.1%
31	Georgia	1	0.1%
32	Norway	1	0.1%
33	United Arab Emirates	1	0.1%
34	Switzerland	1	0.1%
35	Taiwan	1	0.1%
36	Viet Nam	1	0.1%