Rank	Countries/Territories	Count	Percent
1	United States	760	41.6%
2	China	429	23.5%
3	Germany	173	9.5%
4	India	99	5.4%
5	Latvia	61	3.3%
6	Netherlands	38	2.1%
7	Ireland	25	1.4%
8	Canada	21	1.1%
9	Korea, Republic of	21	1.1%
10	Australia	16	0.9%
11	Cyprus	15	0.8%
12	Japan	15	0.8%
13	Ukraine	13	0.7%
14	Singapore	12	0.7%
15	United Kingdom	10	0.5%
16	France	10	0.5%
17	Sweden	9	0.5%
18	Nigeria	8	0.4%
19	Russia	7	0.4%
20	Guinea	7	0.4%
21	Indonesia	7	0.4%
22		6	0.3%
23	Taiwan	6	0.3%
24	Malaysia	5	0.3%
25	Philippines	5	0.3%
26	Poland	4	0.2%
27	Romania	4	0.2%
28	Argentina	4	0.2%
29	Iran, Islamic Republic of	4	0.2%
30	Bangladesh	4	0.2%
31	Saudi Arabia	3	0.2%
32	Hong Kong	2	0.1%
33	Israel	2	0.1%
34	Italy	2	0.1%
35	Estonia	2	0.1%
36	Iraq	2	0.1%
37	Czech Republic	2	0.1%
38	Turkey	2	0.1%
39	Switzerland	2	0.1%
40	South Africa	1	0.1%
41	Spain	1	0.1%
42	Tanzania, United Republic of	1	0.1%
43	Thailand	1	0.1%
44	Viet Nam	1	0.1%
45	Egypt	1	0.1%
46	Austria	1	0.1%
47	Guyana	1	0.1%
48	Mauritius	1	0.1%
49	Norway	1	0.1%
50	Oman	1	0.1%