Rank	Countries/Territories	Count	Percent
1	United States	491	35.7%
2	China	338	24.6%
3	Germany	152	11%
4	Korea, Republic of	82	6%
5	Singapore	47	3.4%
6	India	45	3.3%
7	Japan	29	2.1%
8	Netherlands	29	2.1%
9	Australia	23	1.7%
10	Canada	20	1.5%
11	France	17	1.2%
12	United Kingdom	14	1%
13	Ireland	10	0.7%
14	Argentina	8	0.6%
15	Senegal	7	0.5%
16	Norway	7	0.5%
17	Russia	5	0.4%
18	Switzerland	5	0.4%
19	Mauritius	5	0.4%
20	Cyprus	5	0.4%
21	Chile	4	0.3%
22	Belgium	4	0.3%
23	Ukraine	4	0.3%
24	Iran, Islamic Republic of	3	0.2%
25	Greece	2	0.1%
26	Hong Kong	2	0.1%
27	Bangladesh	2	0.1%
28	Brazil	2	0.1%
29	Italy	2	0.1%
30	United Arab Emirates	2	0.1%
31	Turkey	2	0.1%
32	Latvia	1	0.1%
33	Lithuania	1	0.1%
34	Mexico	1	0.1%
35	New Zealand	1	0.1%
36	Taiwan	1	0.1%
37	Slovakia	1	0.1%
38	Benin	1	0.1%
39	Colombia	1	0.1%