Rank	Countries/Territories	Count	Percent
1	United States	290	33.9%
2	China	191	22.3%
3	Germany	62	7.3%
4	Japan	36	4.2%
5	South Africa	35	4.1%
6	Netherlands	34	4%
7	Russia	27	3.2%
8	Canada	27	3.2%
9	Singapore	19	2.2%
10	Ireland	16	1.9%
11	United Kingdom	11	1.3%
12	Ukraine	10	1.2%
13	India	9	1.1%
14	Australia	8	0.9%
15	Korea, Republic of	8	0.9%
16	Portugal	6	0.7%
17	Cyprus	6	0.7%
18	Ghana	5	0.6%
19	Iraq	5	0.6%
20	Turkey	5	0.6%
21	Latvia	4	0.5%
22	Iran, Islamic Republic of	4	0.5%
23	Belgium	4	0.5%
24	Argentina	3	0.4%
25	Egypt	3	0.4%
26	Gambia	3	0.4%
27	Malaysia	3	0.4%
28	Switzerland	3	0.4%
29	United Arab Emirates	3	0.4%
30	Romania	2	0.2%
31	Pakistan	2	0.2%
32	Indonesia	2	0.2%
33	Benin	2	0.2%
34	Ethiopia	1	0.1%
35	France	1	0.1%
36	Hong Kong	1	0.1%
37	Mauritius	1	0.1%
38	Lebanon	1	0.1%
39	Sweden	1	0.1%
40	Zambia	1	0.1%