Rank	Countries/Territories	Count	Percent
1	United States	406	36.2%
2	China	340	30.3%
3	Germany	90	8%
4	Russia	49	4.4%
5	Netherlands	39	3.5%
6	Japan	24	2.1%
7	France	21	1.9%
8	United Kingdom	15	1.3%
9	Italy	13	1.2%
10	Bulgaria	11	1%
11	Canada	11	1%
12	Korea, Republic of	9	0.8%
13	India	8	0.7%
14	New Zealand	7	0.6%
15	Lithuania	6	0.5%
16	Ireland	6	0.5%
17	Singapore	5	0.4%
18	Sweden	4	0.4%
19	Iraq	4	0.4%
20	Philippines	4	0.4%
21	Hong Kong	4	0.4%
22	Brazil	4	0.4%
23	Cyprus	4	0.4%
24	Australia	4	0.4%
25	Poland	3	0.3%
26	Israel	3	0.3%
27	Spain	3	0.3%
28	Ukraine	3	0.3%
29	South Africa	2	0.2%
30	Latvia	2	0.2%
31	Kenya	2	0.2%
32	Portugal	2	0.2%
33	Belgium	2	0.2%
34	Benin	1	0.1%
35	Bangladesh	1	0.1%
36	Cote D'ivoire	1	0.1%
37	Egypt	1	0.1%
38	Estonia	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Romania	1	0.1%
41	Malaysia	1	0.1%
42	Mongolia	1	0.1%
43	Nigeria	1	0.1%
44	Switzerland	1	0.1%
45	Thailand	1	0.1%