Rank	Countries/Territories	Count	Percent
1	United States	471	37.5%
2	China	314	25%
3	Germany	92	7.3%
4	Latvia	39	3.1%
5	India	30	2.4%
6	France	25	2%
7	Japan	23	1.8%
8	Norway	23	1.8%
9	Iran, Islamic Republic of	21	1.7%
10	Netherlands	20	1.6%
11	Brazil	18	1.4%
12	Australia	16	1.3%
13	Ireland	11	0.9%
14	Korea, Republic of	11	0.9%
15	Singapore	11	0.9%
16	Turkey	11	0.9%
17	Italy	10	0.8%
18	Romania	9	0.7%
19	Thailand	9	0.7%
20	Malaysia	8	0.6%
21	Hungary	7	0.6%
22	Russia	7	0.6%
23	Canada	7	0.6%
24	United Kingdom	7	0.6%
25	Taiwan	6	0.5%
26	Uganda	6	0.5%
27	Hong Kong	6	0.5%
28	Cyprus	6	0.5%
29	Mexico	5	0.4%
30	Switzerland	4	0.3%
31	Egypt	4	0.3%
32	Bangladesh	2	0.2%
33	Belgium	2	0.2%
34	Poland	2	0.2%
35	South Africa	2	0.2%
36	Saudi Arabia	2	0.2%
37	Mauritius	2	0.2%
38	Mongolia	1	0.1%
39	Pakistan	1	0.1%
40	Bulgaria	1	0.1%
41	Finland	1	0.1%
42	Czech Republic	1	0.1%
43	Indonesia	1	0.1%