Rank	Countries/Territories	Count	Percent
1	United States	505	38.3%
2	China	407	30.8%
3	Germany	68	5.2%
4	Latvia	39	3%
5	France	32	2.4%
6	United Kingdom	26	2%
7	Sweden	23	1.7%
8	India	23	1.7%
9	Brazil	20	1.5%
10	Japan	20	1.5%
11	Canada	15	1.1%
12	Netherlands	14	1.1%
13	Singapore	10	0.8%
14	Turkey	9	0.7%
15	Ukraine	8	0.6%
16	Italy	8	0.6%
17	Korea, Republic of	8	0.6%
18	Ireland	7	0.5%
19	Pakistan	6	0.5%
20	Australia	6	0.5%
21	Cyprus	6	0.5%
22	Taiwan	6	0.5%
23	Spain	6	0.5%
24	Argentina	5	0.4%
25	Burkina Faso	4	0.3%
26	Switzerland	4	0.3%
27	Iraq	3	0.2%
28	Mexico	2	0.2%
29	Mongolia	2	0.2%
30	Nepal	2	0.2%
31	New Zealand	2	0.2%
32	Russia	2	0.2%
33	Poland	2	0.2%
34	Austria	2	0.2%
35	Chile	2	0.2%
36	Iran, Islamic Republic of	2	0.2%
37	Hong Kong	2	0.2%
38	Thailand	2	0.2%
39	Viet Nam	2	0.2%
40	South Africa	1	0.1%
41	Denmark	1	0.1%
42	Costa Rica	1	0.1%
43	Bangladesh	1	0.1%
44	Romania	1	0.1%
45	Norway	1	0.1%
46	Philippines	1	0.1%
47	Malaysia	1	0.1%