Rank	Countries/Territories	Count	Percent
1	United States	380	42.5%
2	China	170	19%
3	Russia	107	12%
4	Germany	41	4.6%
5	India	25	2.8%
6	Brazil	21	2.3%
7	Italy	20	2.2%
8	Korea, Republic of	12	1.3%
9	United Kingdom	12	1.3%
10	Greece	11	1.2%
11	Japan	9	1%
12	Portugal	9	1%
13	France	7	0.8%
14	Hong Kong	6	0.7%
15	Mexico	6	0.7%
16	Spain	6	0.7%
17	Netherlands	5	0.6%
18	Ireland	4	0.4%
19	Argentina	4	0.4%
20	Australia	4	0.4%
21	Viet Nam	4	0.4%
22	Canada	3	0.3%
23	Singapore	3	0.3%
24	Turkey	3	0.3%
25	Ukraine	2	0.2%
26	Switzerland	2	0.2%
27	Taiwan	2	0.2%
28	South Africa	2	0.2%
29	Malta	2	0.2%
30	Finland	2	0.2%
31	Iceland	2	0.2%
32	Iran, Islamic Republic of	1	0.1%
33	Czech Republic	1	0.1%
34	Egypt	1	0.1%
35	Lithuania	1	0.1%
36	Malaysia	1	0.1%
37	New Zealand	1	0.1%
38	Nepal	1	0.1%
39	Sweden	1	0.1%