Rank	Countries/Territories	Count	Percent
1	United States	497	38.9%
2	China	341	26.7%
3	Russia	109	8.5%
4	Germany	53	4.2%
5	India	46	3.6%
6	Brazil	21	1.6%
7	Italy	20	1.6%
8	Japan	18	1.4%
9	France	17	1.3%
10	United Kingdom	14	1.1%
11	Korea, Republic of	13	1%
12	Latvia	13	1%
13	Portugal	12	0.9%
14	Greece	11	0.9%
15	Australia	10	0.8%
16	Mexico	8	0.6%
17	Netherlands	7	0.5%
18	Canada	7	0.5%
19	Hong Kong	6	0.5%
20	Spain	6	0.5%
21	Argentina	5	0.4%
22	Ireland	4	0.3%
23	Viet Nam	4	0.3%
24	Turkey	3	0.2%
25	Singapore	3	0.2%
26	South Africa	2	0.2%
27	Romania	2	0.2%
28	Sweden	2	0.2%
29	Switzerland	2	0.2%
30	Taiwan	2	0.2%
31	Mongolia	2	0.2%
32	Iceland	2	0.2%
33	Finland	2	0.2%
34	Bangladesh	2	0.2%
35	Ukraine	2	0.2%
36	Malta	2	0.2%
37	Czech Republic	1	0.1%
38	Egypt	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Nepal	1	0.1%
41	New Zealand	1	0.1%
42	Lithuania	1	0.1%
43	Malaysia	1	0.1%