Rank	Countries/Territories	Count	Percent
1	United States	548	38.1%
2	China	431	30%
3	Germany	178	12.4%
4	Japan	53	3.7%
5	Russia	45	3.1%
6	Netherlands	24	1.7%
7	France	17	1.2%
8	Iran, Islamic Republic of	14	1%
9	Ukraine	14	1%
10	Canada	13	0.9%
11	Korea, Republic of	12	0.8%
12	Singapore	10	0.7%
13	Australia	9	0.6%
14	India	8	0.6%
15	Taiwan	7	0.5%
16	United Kingdom	6	0.4%
17	Italy	5	0.3%
18	Ireland	4	0.3%
19	Cyprus	4	0.3%
20	Croatia	3	0.2%
21	Argentina	3	0.2%
22	Brazil	3	0.2%
23	Indonesia	3	0.2%
24	Hungary	3	0.2%
25	Israel	2	0.1%
26	Philippines	2	0.1%
27	Mauritius	2	0.1%
28	Saudi Arabia	2	0.1%
29	Hong Kong	2	0.1%
30	Bangladesh	2	0.1%
31	Egypt	1	0.1%
32	Georgia	1	0.1%
33	Honduras	1	0.1%
34	Spain	1	0.1%
35	Switzerland	1	0.1%
36	United Arab Emirates	1	0.1%
37	Portugal	1	0.1%
38	Malaysia	1	0.1%