Rank	Countries/Territories	Count	Percent
1	United States	519	37.7%
2	China	423	30.8%
3	Germany	68	4.9%
4	Latvia	41	3%
5	France	40	2.9%
6	United Kingdom	26	1.9%
7	Sweden	23	1.7%
8	India	23	1.7%
9	Brazil	20	1.5%
10	Japan	20	1.5%
11	Canada	17	1.2%
12	Netherlands	14	1%
13	Malaysia	11	0.8%
14	Singapore	10	0.7%
15	Turkey	9	0.7%
16	Ukraine	8	0.6%
17	Korea, Republic of	8	0.6%
18	Italy	8	0.6%
19	Ireland	7	0.5%
20	Australia	7	0.5%
21	Cyprus	6	0.4%
22	Pakistan	6	0.4%
23	Taiwan	6	0.4%
24	Spain	6	0.4%
25	Argentina	5	0.4%
26	Burkina Faso	4	0.3%
27	Switzerland	4	0.3%
28	Denmark	3	0.2%
29	Iraq	3	0.2%
30	Mexico	2	0.1%
31	Mongolia	2	0.1%
32	Nepal	2	0.1%
33	New Zealand	2	0.1%
34	Russia	2	0.1%
35	Poland	2	0.1%
36	Iran, Islamic Republic of	2	0.1%
37	Hong Kong	2	0.1%
38	Austria	2	0.1%
39	Chile	2	0.1%
40	Thailand	2	0.1%
41	Viet Nam	2	0.1%
42	South Africa	1	0.1%
43	Costa Rica	1	0.1%
44	Bangladesh	1	0.1%
45	Romania	1	0.1%
46	Norway	1	0.1%
47	Philippines	1	0.1%