Rank	Countries/Territories	Count	Percent
1	United States	430	32.9%
2	China	391	29.9%
3	Germany	96	7.4%
4	Latvia	39	3%
5	United Kingdom	38	2.9%
6	France	29	2.2%
7	Canada	26	2%
8	India	26	2%
9	Japan	25	1.9%
10	Norway	19	1.5%
11	Netherlands	18	1.4%
12	Taiwan	18	1.4%
13	Italy	11	0.8%
14	Mexico	11	0.8%
15	Korea, Republic of	9	0.7%
16	Australia	9	0.7%
17	Egypt	9	0.7%
18	Singapore	9	0.7%
19	Cyprus	6	0.5%
20	Brazil	6	0.5%
21	Malaysia	6	0.5%
22	Ireland	5	0.4%
23	Argentina	5	0.4%
24	Colombia	4	0.3%
25	Ecuador	4	0.3%
26	Russia	4	0.3%
27	Thailand	4	0.3%
28	Spain	4	0.3%
29	Ukraine	4	0.3%
30	Sweden	3	0.2%
31	Turkey	3	0.2%
32	Israel	3	0.2%
33	Iran, Islamic Republic of	3	0.2%
34	Iraq	3	0.2%
35	Hong Kong	3	0.2%
36	Mongolia	3	0.2%
37	Peru	2	0.2%
38	Poland	2	0.2%
39	Georgia	2	0.2%
40	Bolivia, Plurinational State of	2	0.2%
41	Saudi Arabia	2	0.2%
42	Slovakia	2	0.2%
43	South Africa	2	0.2%
44	Viet Nam	1	0.1%
45	Barbados	1	0.1%
46	Greece	1	0.1%
47	Denmark	1	0.1%
48	Morocco	1	0.1%
49	Iceland	1	0.1%