Rank	Countries/Territories	Count	Percent
1	United States	260	43.9%
2	China	85	14.4%
3	Germany	48	8.1%
4	India	26	4.4%
5	France	23	3.9%
6	Russia	20	3.4%
7	Canada	18	3%
8	Kazakhstan	15	2.5%
9	Netherlands	11	1.9%
10	Brazil	9	1.5%
11	Korea, Republic of	8	1.4%
12	Japan	7	1.2%
13	Indonesia	6	1%
14	Taiwan	5	0.8%
15	United Kingdom	5	0.8%
16	Australia	4	0.7%
17	Cyprus	3	0.5%
18	Hong Kong	3	0.5%
19	Romania	3	0.5%
20	Thailand	3	0.5%
21	Singapore	3	0.5%
22	South Sudan	3	0.5%
23	Spain	2	0.3%
24	Switzerland	2	0.3%
25	Turkey	2	0.3%
26	Nigeria	2	0.3%
27	Italy	2	0.3%
28	Ireland	2	0.3%
29	Egypt	2	0.3%
30	Argentina	1	0.2%
31	Bulgaria	1	0.2%
32	Israel	1	0.2%
33	Hungary	1	0.2%
34	Portugal	1	0.2%
35	Saudi Arabia	1	0.2%
36	Lithuania	1	0.2%
37	Malaysia	1	0.2%
38	Uzbekistan	1	0.2%
39	Viet Nam	1	0.2%