Rank	Countries/Territories	Count	Percent
1	United States	461	38.8%
2	China	367	30.9%
3	Germany	69	5.8%
4	France	35	2.9%
5	Czech Republic	34	2.9%
6	Iran, Islamic Republic of	34	2.9%
7	Canada	27	2.3%
8	Japan	21	1.8%
9	Netherlands	19	1.6%
10	Denmark	16	1.3%
11	Thailand	12	1%
12	Singapore	9	0.8%
13	Italy	8	0.7%
14	Cyprus	8	0.7%
15	Hong Kong	7	0.6%
16	Finland	6	0.5%
17	Belgium	6	0.5%
18	United Kingdom	6	0.5%
19	Brazil	5	0.4%
20	Argentina	5	0.4%
21	Australia	5	0.4%
22	Egypt	4	0.3%
23	Korea, Republic of	4	0.3%
24	Latvia	3	0.3%
25	Norway	2	0.2%
26	Taiwan	2	0.2%
27	Turkey	2	0.2%
28	Bangladesh	2	0.2%
29	Indonesia	2	0.2%
30	Hungary	1	0.1%
31	Iceland	1	0.1%
32	Ukraine	1	0.1%
33	South Africa	1	0.1%
34	Switzerland	1	0.1%
35	Ireland	1	0.1%
36	Israel	1	0.1%