Rank	Countries/Territories	Count	Percent
1	United States	275	38.8%
2	China	110	15.5%
3	Japan	47	6.6%
4	Italy	28	3.9%
5	France	26	3.7%
6	Germany	25	3.5%
7	India	22	3.1%
8	Russia	22	3.1%
9	Ireland	17	2.4%
10	Brazil	14	2%
11	Cameroon	13	1.8%
12	Latvia	13	1.8%
13	United Kingdom	12	1.7%
14	Korea, Republic of	10	1.4%
15	Czech Republic	9	1.3%
16	Spain	8	1.1%
17	Viet Nam	8	1.1%
18	Israel	6	0.8%
19	Canada	6	0.8%
20	Hong Kong	4	0.6%
21	Sweden	3	0.4%
22	Ukraine	3	0.4%
23	Taiwan	2	0.3%
24	Thailand	2	0.3%
25	Netherlands	2	0.3%
26	Norway	2	0.3%
27	Portugal	2	0.3%
28	Colombia	2	0.3%
29	Cyprus	2	0.3%
30	Australia	2	0.3%
31	Bahrain	1	0.1%
32	Bangladesh	1	0.1%
33	Belgium	1	0.1%
34	Egypt	1	0.1%
35	Finland	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Singapore	1	0.1%
38	Turkey	1	0.1%
39	Argentina	1	0.1%
40	Malaysia	1	0.1%
41	Mali	1	0.1%
42	Morocco	1	0.1%