Rank	Countries/Territories	Count	Percent
1	United States	398	40%
2	China	325	32.7%
3	Germany	88	8.9%
4	France	23	2.3%
5	Japan	19	1.9%
6	Iran, Islamic Republic of	19	1.9%
7	Russia	16	1.6%
8	Netherlands	12	1.2%
9	Brazil	8	0.8%
10	Cyprus	7	0.7%
11	Hong Kong	7	0.7%
12	Viet Nam	7	0.7%
13	Singapore	6	0.6%
14	Australia	6	0.6%
15	Ecuador	5	0.5%
16	Korea, Republic of	5	0.5%
17	Mexico	5	0.5%
18	Jamaica	4	0.4%
19	Switzerland	4	0.4%
20	Romania	4	0.4%
21	Portugal	3	0.3%
22	United Kingdom	3	0.3%
23	Canada	3	0.3%
24	Argentina	2	0.2%
25	Egypt	2	0.2%
26	India	2	0.2%
27	Malaysia	2	0.2%
28	Turkey	2	0.2%
29	Taiwan	2	0.2%
30	Tunisia	1	0.1%
31	Spain	1	0.1%
32	Nicaragua	1	0.1%
33	Poland	1	0.1%
34	Ukraine	1	0.1%