Rank	Countries/Territories	Count	Percent
1	United States	813	39.5%
2	China	508	24.7%
3	Germany	204	9.9%
4	Latvia	69	3.4%
5	Netherlands	51	2.5%
6	Czech Republic	42	2%
7	Canada	40	1.9%
8	Russia	39	1.9%
9	France	38	1.8%
10	India	36	1.7%
11	Singapore	21	1%
12	Japan	20	1%
13	Norway	17	0.8%
14	Iraq	15	0.7%
15	Korea, Republic of	10	0.5%
16	Australia	10	0.5%
17	Turkey	9	0.4%
18	United Kingdom	8	0.4%
19	Bosnia and Herzegovina	6	0.3%
20	Bulgaria	6	0.3%
21	Chile	5	0.2%
22	Brazil	5	0.2%
23	Denmark	5	0.2%
24	Cyprus	5	0.2%
25	Iran, Islamic Republic of	5	0.2%
26	Hong Kong	5	0.2%
27	South Africa	5	0.2%
28	Taiwan	4	0.2%
29	Portugal	4	0.2%
30	Romania	4	0.2%
31	Ireland	4	0.2%
32	Malaysia	4	0.2%
33	Israel	3	0.1%
34	Slovakia	3	0.1%
35	Thailand	3	0.1%
36	Viet Nam	3	0.1%
37	Spain	2	0.1%
38	Tajikistan	2	0.1%
39	Ukraine	2	0.1%
40	Philippines	2	0.1%
41	Mexico	2	0.1%
42	Lithuania	2	0.1%
43	Greece	2	0.1%
44	Egypt	2	0.1%
45	Austria	2	0.1%
46	Argentina	2	0.1%
47	Belgium	1	0%
48	Finland	1	0%
49	Luxembourg	1	0%
50	Malawi	1	0%
51	Kyrgyzstan	1	0%
52	Italy	1	0%
53	Poland	1	0%
54	Saudi Arabia	1	0%
55	Sweden	1	0%
56	Venezuela, Bolivarian Republic of	1	0%