Rank	Countries/Territories	Count	Percent
1	United States	504	37.6%
2	China	346	25.8%
3	Germany	94	7%
4	Latvia	39	2.9%
5	India	30	2.2%
6	Japan	29	2.2%
7	France	27	2%
8	Norway	23	1.7%
9	Iran, Islamic Republic of	21	1.6%
10	Netherlands	20	1.5%
11	Brazil	18	1.3%
12	Australia	16	1.2%
13	Singapore	14	1%
14	Italy	13	1%
15	Korea, Republic of	11	0.8%
16	Ireland	11	0.8%
17	Turkey	11	0.8%
18	Thailand	9	0.7%
19	Romania	9	0.7%
20	Russia	8	0.6%
21	Malaysia	8	0.6%
22	Canada	8	0.6%
23	Cyprus	7	0.5%
24	Hungary	7	0.5%
25	United Kingdom	7	0.5%
26	Uganda	6	0.4%
27	Taiwan	6	0.4%
28	Hong Kong	6	0.4%
29	Mexico	5	0.4%
30	Egypt	4	0.3%
31	Switzerland	4	0.3%
32	Bangladesh	2	0.1%
33	Belgium	2	0.1%
34	Mauritius	2	0.1%
35	Saudi Arabia	2	0.1%
36	South Africa	2	0.1%
37	Poland	2	0.1%
38	Pakistan	1	0.1%
39	Mongolia	1	0.1%
40	Bulgaria	1	0.1%
41	Finland	1	0.1%
42	Czech Republic	1	0.1%
43	Indonesia	1	0.1%