Rank	Countries/Territories	Count	Percent
1	United States	365	44.3%
2	China	149	18.1%
3	Russia	107	13%
4	Germany	28	3.4%
5	India	23	2.8%
6	Brazil	21	2.5%
7	Italy	20	2.4%
8	United Kingdom	12	1.5%
9	Greece	11	1.3%
10	Korea, Republic of	10	1.2%
11	Portugal	9	1.1%
12	Japan	9	1.1%
13	France	7	0.8%
14	Hong Kong	6	0.7%
15	Mexico	6	0.7%
16	Spain	6	0.7%
17	Viet Nam	4	0.5%
18	Turkey	3	0.4%
19	Taiwan	2	0.2%
20	South Africa	2	0.2%
21	Malta	2	0.2%
22	Netherlands	2	0.2%
23	Iceland	2	0.2%
24	Finland	2	0.2%
25	Canada	2	0.2%
26	Argentina	2	0.2%
27	Australia	2	0.2%
28	Czech Republic	1	0.1%
29	Egypt	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Ireland	1	0.1%
32	New Zealand	1	0.1%
33	Nepal	1	0.1%
34	Lithuania	1	0.1%
35	Malaysia	1	0.1%
36	Sweden	1	0.1%
37	Ukraine	1	0.1%