Rank	Countries/Territories	Count	Percent
1	United States	771	40.8%
2	China	392	20.7%
3	Germany	140	7.4%
4	Latvia	93	4.9%
5	Japan	89	4.7%
6	Netherlands	59	3.1%
7	United Kingdom	51	2.7%
8	France	38	2%
9	Romania	23	1.2%
10	Singapore	21	1.1%
11	India	19	1%
12	Bulgaria	18	1%
13	Australia	18	1%
14	Korea, Republic of	17	0.9%
15	Canada	14	0.7%
16	Philippines	13	0.7%
17	Russia	11	0.6%
18	Portugal	11	0.6%
19	Benin	10	0.5%
20	Argentina	9	0.5%
21	Ireland	8	0.4%
22	Ukraine	8	0.4%
23	Hong Kong	5	0.3%
24	Cyprus	5	0.3%
25	Nigeria	5	0.3%
26	Norway	4	0.2%
27	Mauritius	4	0.2%
28	Sweden	4	0.2%
29	Thailand	3	0.2%
30	South Africa	3	0.2%
31	Denmark	3	0.2%
32	Afghanistan	2	0.1%
33	Mexico	2	0.1%
34	Poland	2	0.1%
35	Slovenia	2	0.1%
36	Switzerland	1	0.1%
37	Taiwan	1	0.1%
38	Viet Nam	1	0.1%
39	Pakistan	1	0.1%
40	Puerto Rico	1	0.1%
41	Qatar	1	0.1%
42	New Zealand	1	0.1%
43	Lithuania	1	0.1%
44	Austria	1	0.1%
45	Bangladesh	1	0.1%
46	Czech Republic	1	0.1%
47	Italy	1	0.1%
48	Iran, Islamic Republic of	1	0.1%