Rank	Countries/Territories	Count	Percent
1	United States	547	35.6%
2	China	508	33%
3	Germany	124	8.1%
4	France	104	6.8%
5	Russia	32	2.1%
6	Japan	27	1.8%
7	Iran, Islamic Republic of	20	1.3%
8	Ukraine	17	1.1%
9	Netherlands	15	1%
10	Sweden	11	0.7%
11	United Kingdom	11	0.7%
12	Singapore	10	0.7%
13	Cyprus	9	0.6%
14	Hong Kong	8	0.5%
15	Brazil	8	0.5%
16	Romania	8	0.5%
17	Korea, Republic of	7	0.5%
18	Australia	7	0.5%
19	Viet Nam	7	0.5%
20	Mexico	6	0.4%
21	Costa Rica	5	0.3%
22	Ecuador	5	0.3%
23	Canada	4	0.3%
24	Jamaica	4	0.3%
25	Switzerland	4	0.3%
26	Portugal	3	0.2%
27	India	3	0.2%
28	Iraq	2	0.1%
29	Egypt	2	0.1%
30	Czech Republic	2	0.1%
31	Argentina	2	0.1%
32	Colombia	2	0.1%
33	Taiwan	2	0.1%
34	Malaysia	2	0.1%
35	Lebanon	2	0.1%
36	Turkey	2	0.1%
37	Spain	1	0.1%
38	Luxembourg	1	0.1%
39	Tunisia	1	0.1%
40	Nicaragua	1	0.1%
41	Poland	1	0.1%
42	Bangladesh	1	0.1%