Rank	Countries/Territories	Count	Percent
1	United States	741	35.5%
2	China	650	31.1%
3	Germany	163	7.8%
4	Russia	121	5.8%
5	Netherlands	60	2.9%
6	India	50	2.4%
7	Argentina	37	1.8%
8	Korea, Republic of	25	1.2%
9	Japan	22	1.1%
10	Brazil	22	1.1%
11	Iran, Islamic Republic of	20	1%
12	France	20	1%
13	Taiwan	19	0.9%
14	Slovakia	12	0.6%
15	Senegal	9	0.4%
16	Sweden	9	0.4%
17	Hong Kong	8	0.4%
18	Canada	8	0.4%
19	Australia	8	0.4%
20	Ethiopia	7	0.3%
21	Singapore	7	0.3%
22	Israel	7	0.3%
23	Cyprus	5	0.2%
24	Turkey	5	0.2%
25	Viet Nam	5	0.2%
26	United Kingdom	5	0.2%
27	Ukraine	4	0.2%
28	Sri Lanka	4	0.2%
29	Ecuador	3	0.1%
30	Mongolia	3	0.1%
31	Philippines	3	0.1%
32	Poland	2	0.1%
33	Mexico	2	0.1%
34	Denmark	2	0.1%
35	Ireland	2	0.1%
36	Indonesia	2	0.1%
37	Spain	2	0.1%
38	United Arab Emirates	2	0.1%
39	Thailand	2	0.1%
40	Switzerland	1	0%
41	Albania	1	0%
42	Hungary	1	0%
43	Egypt	1	0%
44	Belgium	1	0%
45	Norway	1	0%
46	Peru	1	0%
47	Lebanon	1	0%
48	Luxembourg	1	0%
49	Seychelles	1	0%
50	South Africa	1	0%