Rank	Countries/Territories	Count	Percent
1	United States	392	43.5%
2	China	167	18.5%
3	Australia	68	7.5%
4	Germany	58	6.4%
5	Russia	20	2.2%
6	Latvia	13	1.4%
7	Hong Kong	12	1.3%
8	Taiwan	12	1.3%
9	France	11	1.2%
10	Kuwait	11	1.2%
11	Italy	10	1.1%
12	Korea, Republic of	10	1.1%
13	Brazil	10	1.1%
14	Canada	10	1.1%
15	Switzerland	10	1.1%
16	India	8	0.9%
17	Ireland	7	0.8%
18	Japan	7	0.8%
19	Turkey	6	0.7%
20	Iran, Islamic Republic of	5	0.6%
21	Netherlands	5	0.6%
22	Ukraine	4	0.4%
23	Spain	3	0.3%
24	Poland	3	0.3%
25	Romania	3	0.3%
26	Lithuania	3	0.3%
27	Mexico	3	0.3%
28	Argentina	3	0.3%
29	Egypt	2	0.2%
30	Iceland	2	0.2%
31	Colombia	2	0.2%
32	Sweden	2	0.2%
33	Thailand	2	0.2%
34	Saudi Arabia	2	0.2%
35	Viet Nam	2	0.2%
36	United Arab Emirates	1	0.1%
37	Serbia	1	0.1%
38	Singapore	1	0.1%
39	Slovakia	1	0.1%
40	Czech Republic	1	0.1%
41	Denmark	1	0.1%
42	Belgium	1	0.1%
43	Indonesia	1	0.1%
44	Ethiopia	1	0.1%
45	Liechtenstein	1	0.1%
46	Portugal	1	0.1%
47	Israel	1	0.1%
48	Jordan	1	0.1%
49	Kenya	1	0.1%