Rank	Countries/Territories	Count	Percent
1	United States	356	35.3%
2	China	246	24.4%
3	Germany	87	8.6%
4	Iran, Islamic Republic of	59	5.9%
5	Japan	55	5.5%
6	Russia	32	3.2%
7	France	29	2.9%
8	United Kingdom	18	1.8%
9	Netherlands	15	1.5%
10	Iraq	14	1.4%
11	India	11	1.1%
12	Canada	10	1%
13	Singapore	10	1%
14	Ireland	9	0.9%
15	Italy	7	0.7%
16	Turkey	7	0.7%
17	Cyprus	6	0.6%
18	Iceland	5	0.5%
19	New Zealand	4	0.4%
20	Sweden	4	0.4%
21	Spain	3	0.3%
22	Australia	3	0.3%
23	Estonia	3	0.3%
24	Egypt	2	0.2%
25	Hong Kong	2	0.2%
26	Hungary	2	0.2%
27	Israel	2	0.2%
28	Argentina	1	0.1%
29	Ethiopia	1	0.1%
30	Switzerland	1	0.1%
31	Taiwan	1	0.1%
32	Thailand	1	0.1%
33	Poland	1	0.1%
34	Mongolia	1	0.1%