Rank	Countries/Territories	Count	Percent
1	United States	419	37.2%
2	China	330	29.3%
3	Germany	75	6.7%
4	Russia	52	4.6%
5	Netherlands	23	2%
6	Japan	21	1.9%
7	India	19	1.7%
8	United Kingdom	14	1.2%
9	France	13	1.2%
10	Australia	13	1.2%
11	Italy	12	1.1%
12	Turkey	12	1.1%
13	Colombia	11	1%
14	Canada	11	1%
15	Bulgaria	10	0.9%
16	Brazil	9	0.8%
17	Singapore	8	0.7%
18	Cyprus	7	0.6%
19	Egypt	7	0.6%
20	Sweden	6	0.5%
21	Poland	5	0.4%
22	Argentina	5	0.4%
23	Norway	5	0.4%
24	Malaysia	4	0.4%
25	Hungary	4	0.4%
26	Iraq	4	0.4%
27	Moldova, Republic of	3	0.3%
28	Finland	3	0.3%
29	Czech Republic	2	0.2%
30	Mongolia	2	0.2%
31	Ireland	2	0.2%
32	Ukraine	2	0.2%
33	Thailand	2	0.2%
34	Spain	1	0.1%
35	Viet Nam	1	0.1%
36	Kuwait	1	0.1%
37	Latvia	1	0.1%
38	Lithuania	1	0.1%
39	Mauritius	1	0.1%
40	Oman	1	0.1%
41	Nigeria	1	0.1%
42	Indonesia	1	0.1%
43	Iran, Islamic Republic of	1	0.1%
44	Hong Kong	1	0.1%