Rank	Countries/Territories	Count	Percent
1	United States	367	38.8%
2	China	145	15.3%
3	Iran, Islamic Republic of	105	11.1%
4	Japan	74	7.8%
5	Germany	67	7.1%
6	France	39	4.1%
7	Korea, Republic of	21	2.2%
8	Singapore	18	1.9%
9	Ukraine	13	1.4%
10	India	9	1%
11	Netherlands	8	0.8%
12	United Kingdom	8	0.8%
13	Taiwan	7	0.7%
14	Cyprus	7	0.7%
15	Egypt	6	0.6%
16	Pakistan	6	0.6%
17	Switzerland	6	0.6%
18	Romania	5	0.5%
19	Turkey	5	0.5%
20	Malaysia	5	0.5%
21	Mexico	4	0.4%
22	Canada	4	0.4%
23	Australia	4	0.4%
24	Brazil	2	0.2%
25	Denmark	2	0.2%
26	Poland	2	0.2%
27	Israel	2	0.2%
28	Russia	2	0.2%
29	Serbia	1	0.1%
30	Italy	1	0.1%
31	Morocco	1	0.1%