Rank	Countries/Territories	Count	Percent
1	United States	383	36.2%
2	China	295	27.9%
3	Germany	81	7.6%
4	Korea, Republic of	53	5%
5	Spain	44	4.2%
6	India	30	2.8%
7	United Kingdom	16	1.5%
8	Japan	14	1.3%
9	Netherlands	14	1.3%
10	Senegal	10	0.9%
11	Malaysia	9	0.8%
12	Norway	8	0.8%
13	Canada	8	0.8%
14	Cyprus	8	0.8%
15	Australia	8	0.8%
16	Pakistan	7	0.7%
17	Italy	6	0.6%
18	Portugal	5	0.5%
19	Singapore	5	0.5%
20	Sweden	5	0.5%
21	Thailand	5	0.5%
22	Greece	5	0.5%
23	France	5	0.5%
24	Ireland	4	0.4%
25	Hong Kong	3	0.3%
26	Brazil	3	0.3%
27	Denmark	3	0.3%
28	Taiwan	3	0.3%
29	Romania	3	0.3%
30	Saudi Arabia	2	0.2%
31	Turkey	2	0.2%
32	Egypt	2	0.2%
33	Belgium	2	0.2%
34	Indonesia	2	0.2%
35	Iran, Islamic Republic of	2	0.2%
36	Argentina	1	0.1%
37	Bangladesh	1	0.1%
38	Ukraine	1	0.1%
39	Mongolia	1	0.1%