Rank	Countries/Territories	Count	Percent
1	United States	985	39.7%
2	China	592	23.9%
3	Germany	266	10.7%
4	Latvia	69	2.8%
5	Canada	56	2.3%
6	Netherlands	52	2.1%
7	Czech Republic	51	2.1%
8	Japan	47	1.9%
9	India	47	1.9%
10	France	43	1.7%
11	Russia	39	1.6%
12	Singapore	29	1.2%
13	Norway	18	0.7%
14	Iraq	15	0.6%
15	Australia	14	0.6%
16	Korea, Republic of	12	0.5%
17	Turkey	10	0.4%
18	United Kingdom	10	0.4%
19	Hong Kong	9	0.4%
20	South Africa	7	0.3%
21	Spain	7	0.3%
22	Bosnia and Herzegovina	6	0.2%
23	Bulgaria	6	0.2%
24	Cyprus	6	0.2%
25	Denmark	5	0.2%
26	Chile	5	0.2%
27	Brazil	5	0.2%
28	Iran, Islamic Republic of	5	0.2%
29	Ireland	4	0.2%
30	Malaysia	4	0.2%
31	Taiwan	4	0.2%
32	Portugal	4	0.2%
33	Romania	4	0.2%
34	Slovakia	3	0.1%
35	Thailand	3	0.1%
36	Viet Nam	3	0.1%
37	Israel	3	0.1%
38	Italy	2	0.1%
39	Mexico	2	0.1%
40	Lithuania	2	0.1%
41	Luxembourg	2	0.1%
42	Austria	2	0.1%
43	Argentina	2	0.1%
44	Egypt	2	0.1%
45	Greece	2	0.1%
46	Tajikistan	2	0.1%
47	Ukraine	2	0.1%
48	Philippines	2	0.1%
49	Poland	1	0%
50	Saudi Arabia	1	0%
51	Sweden	1	0%
52	Venezuela, Bolivarian Republic of	1	0%
53	Finland	1	0%
54	Belgium	1	0%
55	Malawi	1	0%
56	Kyrgyzstan	1	0%