Rank	Countries/Territories	Count	Percent
1	United States	482	42.9%
2	China	241	21.5%
3	Germany	104	9.3%
4	Iran, Islamic Republic of	46	4.1%
5	France	36	3.2%
6	Canada	23	2%
7	India	20	1.8%
8	United Kingdom	17	1.5%
9	Russia	16	1.4%
10	Denmark	14	1.2%
11	Netherlands	13	1.2%
12	Argentina	12	1.1%
13	Cyprus	11	1%
14	Japan	10	0.9%
15	Singapore	9	0.8%
16	Spain	7	0.6%
17	Korea, Republic of	7	0.6%
18	Portugal	5	0.4%
19	Taiwan	5	0.4%
20	Australia	5	0.4%
21	Egypt	5	0.4%
22	Switzerland	4	0.4%
23	Italy	4	0.4%
24	Israel	3	0.3%
25	Malaysia	3	0.3%
26	Indonesia	3	0.3%
27	Austria	3	0.3%
28	Brazil	3	0.3%
29	Greece	2	0.2%
30	Ireland	2	0.2%
31	Thailand	2	0.2%
32	United Arab Emirates	2	0.2%
33	Mexico	1	0.1%
34	Moldova, Republic of	1	0.1%
35	Algeria	1	0.1%
36	Chile	1	0.1%