Rank	Countries/Territories	Count	Percent
1	United States	517	24.7%
2	China	473	22.6%
3	Russia	404	19.3%
4	Germany	112	5.3%
5	United Kingdom	53	2.5%
6	Canada	51	2.4%
7	Portugal	48	2.3%
8	France	41	2%
9	Japan	41	2%
10	Australia	30	1.4%
11	Mexico	25	1.2%
12	Lithuania	23	1.1%
13	Korea, Republic of	22	1%
14	South Africa	21	1%
15	Poland	19	0.9%
16	Romania	18	0.9%
17	Spain	15	0.7%
18	Singapore	12	0.6%
19	Turkey	11	0.5%
20	Belgium	11	0.5%
21	Brazil	11	0.5%
22	Italy	10	0.5%
23	Netherlands	9	0.4%
24	Ireland	8	0.4%
25	India	7	0.3%
26	Denmark	7	0.3%
27	Taiwan	7	0.3%
28	Viet Nam	7	0.3%
29	Iran, Islamic Republic of	6	0.3%
30	Hong Kong	5	0.2%
31	Dominican Republic	5	0.2%
32	Cyprus	5	0.2%
33	Philippines	5	0.2%
34	Sweden	4	0.2%
35	Latvia	4	0.2%
36	Greece	3	0.1%
37	Guatemala	3	0.1%
38	Egypt	3	0.1%
39	Switzerland	3	0.1%
40	Slovakia	3	0.1%
41	Saudi Arabia	3	0.1%
42	Ukraine	3	0.1%
43	United Arab Emirates	3	0.1%
44	Norway	2	0.1%
45	Pakistan	2	0.1%
46	Slovenia	2	0.1%
47	Tunisia	2	0.1%
48	Finland	2	0.1%
49	Bosnia and Herzegovina	2	0.1%
50	Bangladesh	2	0.1%
51	Libya	2	0.1%
52	Indonesia	1	0%
53	Malaysia	1	0%
54	New Zealand	1	0%
55	Moldova, Republic of	1	0%
56	Barbados	1	0%
57	Chile	1	0%
58	Curacao	1	0%
59	Serbia	1	0%
60	Uruguay	1	0%