Rank	Countries/Territories	Count	Percent
1	United States	425	37%
2	China	314	27.3%
3	Germany	86	7.5%
4	Japan	48	4.2%
5	Russia	35	3%
6	Singapore	34	3%
7	Iran, Islamic Republic of	33	2.9%
8	France	25	2.2%
9	Taiwan	14	1.2%
10	India	13	1.1%
11	Canada	12	1%
12	Indonesia	10	0.9%
13	Korea, Republic of	9	0.8%
14	Nigeria	9	0.8%
15	Malaysia	8	0.7%
16	Mauritius	6	0.5%
17	Cyprus	6	0.5%
18	Australia	6	0.5%
19	Netherlands	6	0.5%
20	Pakistan	5	0.4%
21	Sweden	4	0.3%
22	United Kingdom	4	0.3%
23	Ireland	3	0.3%
24	Thailand	3	0.3%
25	Burkina Faso	3	0.3%
26	Ethiopia	3	0.3%
27	Greece	3	0.3%
28	Argentina	2	0.2%
29	Cameroon	2	0.2%
30	Turkey	2	0.2%
31	Portugal	2	0.2%
32	Israel	2	0.2%
33	Viet Nam	2	0.2%
34	Italy	1	0.1%
35	Romania	1	0.1%
36	Mexico	1	0.1%
37	Mongolia	1	0.1%
38	Ukraine	1	0.1%
39	Switzerland	1	0.1%
40	Cambodia	1	0.1%
41	Finland	1	0.1%
42	Hong Kong	1	0.1%
43	Iraq	1	0.1%