Rank	Countries/Territories	Count	Percent
1	United States	640	45%
2	China	246	17.3%
3	Germany	112	7.9%
4	Russia	62	4.4%
5	France	44	3.1%
6	India	35	2.5%
7	Canada	23	1.6%
8	Japan	20	1.4%
9	Netherlands	20	1.4%
10	Australia	19	1.3%
11	United Kingdom	16	1.1%
12	Kazakhstan	15	1.1%
13	Brazil	14	1%
14	Ukraine	13	0.9%
15	Korea, Republic of	12	0.8%
16	Argentina	11	0.8%
17	Cyprus	9	0.6%
18	Indonesia	8	0.6%
19	Philippines	7	0.5%
20	Switzerland	7	0.5%
21	Taiwan	6	0.4%
22	Mexico	6	0.4%
23	Ireland	5	0.4%
24	Egypt	5	0.4%
25	Hong Kong	5	0.4%
26	Singapore	5	0.4%
27	Italy	4	0.3%
28	Poland	4	0.3%
29	Nigeria	3	0.2%
30	Malaysia	3	0.2%
31	Slovakia	3	0.2%
32	Saudi Arabia	3	0.2%
33	Thailand	3	0.2%
34	Romania	3	0.2%
35	South Sudan	3	0.2%
36	Viet Nam	3	0.2%
37	Spain	2	0.1%
38	Turkey	2	0.1%
39	Bulgaria	2	0.1%
40	Bangladesh	2	0.1%
41	Chile	2	0.1%
42	Colombia	2	0.1%
43	Belgium	1	0.1%
44	Hungary	1	0.1%
45	Estonia	1	0.1%
46	Ecuador	1	0.1%
47	Mongolia	1	0.1%
48	Pakistan	1	0.1%
49	Portugal	1	0.1%
50	Israel	1	0.1%
51	Iran, Islamic Republic of	1	0.1%
52	Lithuania	1	0.1%
53	Serbia	1	0.1%
54	Slovenia	1	0.1%
55	Uzbekistan	1	0.1%