Rank	Countries/Territories	Count	Percent
1	United States	728	43.9%
2	China	341	20.6%
3	Germany	182	11%
4	Iran, Islamic Republic of	80	4.8%
5	France	59	3.6%
6	Netherlands	48	2.9%
7	India	23	1.4%
8	Japan	22	1.3%
9	Canada	21	1.3%
10	Singapore	16	1%
11	Cyprus	14	0.8%
12	Ireland	13	0.8%
13	Russia	11	0.7%
14	Sweden	10	0.6%
15	Czech Republic	10	0.6%
16	Puerto Rico	9	0.5%
17	United Kingdom	8	0.5%
18	Australia	7	0.4%
19	Korea, Republic of	7	0.4%
20	Lithuania	7	0.4%
21	Ukraine	5	0.3%
22	Taiwan	4	0.2%
23	South Africa	4	0.2%
24	Israel	4	0.2%
25	Greece	4	0.2%
26	Hong Kong	4	0.2%
27	Argentina	2	0.1%
28	Denmark	2	0.1%
29	Mongolia	2	0.1%
30	Morocco	2	0.1%
31	Spain	2	0.1%
32	Turkey	2	0.1%
33	United Arab Emirates	2	0.1%
34	Portugal	1	0.1%
35	Brazil	1	0.1%
36	Malaysia	1	0.1%
37	Mexico	1	0.1%