Rank	Countries/Territories	Count	Percent
1	United States	451	38.8%
2	China	243	20.9%
3	Portugal	159	13.7%
4	Russia	50	4.3%
5	Germany	33	2.8%
6	India	30	2.6%
7	Brazil	22	1.9%
8	Spain	19	1.6%
9	Italy	14	1.2%
10	Latvia	13	1.1%
11	Korea, Republic of	12	1%
12	Canada	12	1%
13	Netherlands	11	0.9%
14	Singapore	8	0.7%
15	Ireland	8	0.7%
16	United Kingdom	7	0.6%
17	Iran, Islamic Republic of	6	0.5%
18	France	6	0.5%
19	Japan	6	0.5%
20	Bangladesh	5	0.4%
21	Ukraine	5	0.4%
22	Taiwan	4	0.3%
23	Belgium	3	0.3%
24	Australia	3	0.3%
25	Hong Kong	3	0.3%
26	Ecuador	3	0.3%
27	Cyprus	3	0.3%
28	Egypt	2	0.2%
29	Bahrain	2	0.2%
30	Israel	2	0.2%
31	New Zealand	2	0.2%
32	Mauritius	2	0.2%
33	Montenegro	2	0.2%
34	Sweden	1	0.1%
35	Viet Nam	1	0.1%
36	Mexico	1	0.1%
37	Pakistan	1	0.1%
38	Romania	1	0.1%
39	Jordan	1	0.1%
40	Argentina	1	0.1%
41	Azerbaijan	1	0.1%
42	Czech Republic	1	0.1%
43	Colombia	1	0.1%