Rank	Countries/Territories	Count	Percent
1	United States	357	37.5%
2	China	187	19.6%
3	Portugal	159	16.7%
4	Russia	41	4.3%
5	India	25	2.6%
6	Brazil	22	2.3%
7	Germany	19	2%
8	Spain	18	1.9%
9	Latvia	13	1.4%
10	Korea, Republic of	11	1.2%
11	Netherlands	9	0.9%
12	Italy	9	0.9%
13	Canada	9	0.9%
14	Ireland	8	0.8%
15	United Kingdom	7	0.7%
16	Ukraine	5	0.5%
17	Singapore	5	0.5%
18	Iran, Islamic Republic of	4	0.4%
19	Japan	4	0.4%
20	France	4	0.4%
21	Taiwan	4	0.4%
22	Belgium	3	0.3%
23	Hong Kong	3	0.3%
24	Ecuador	3	0.3%
25	Egypt	2	0.2%
26	Cyprus	2	0.2%
27	Australia	2	0.2%
28	Bahrain	2	0.2%
29	Mauritius	2	0.2%
30	Israel	2	0.2%
31	New Zealand	2	0.2%
32	Montenegro	2	0.2%
33	Romania	1	0.1%
34	Mexico	1	0.1%
35	Argentina	1	0.1%
36	Azerbaijan	1	0.1%
37	Colombia	1	0.1%
38	Czech Republic	1	0.1%
39	Sweden	1	0.1%
40	Viet Nam	1	0.1%