Rank	Countries/Territories	Count	Percent
1	United States	448	40%
2	China	231	20.6%
3	Germany	102	9.1%
4	Latvia	43	3.8%
5	India	35	3.1%
6	France	32	2.9%
7	Japan	28	2.5%
8	Norway	21	1.9%
9	Singapore	20	1.8%
10	Canada	19	1.7%
11	Netherlands	15	1.3%
12	United Kingdom	12	1.1%
13	Belgium	11	1%
14	Ireland	11	1%
15	Viet Nam	7	0.6%
16	Cyprus	6	0.5%
17	Nepal	6	0.5%
18	Korea, Republic of	6	0.5%
19	Malaysia	5	0.4%
20	Portugal	4	0.4%
21	Egypt	4	0.4%
22	Indonesia	4	0.4%
23	Iran, Islamic Republic of	4	0.4%
24	Austria	4	0.4%
25	Argentina	3	0.3%
26	Australia	3	0.3%
27	Pakistan	3	0.3%
28	Mexico	3	0.3%
29	Italy	3	0.3%
30	Taiwan	3	0.3%
31	Turkey	2	0.2%
32	South Africa	2	0.2%
33	Syrian Arab Republic	2	0.2%
34	Lesotho	2	0.2%
35	Russia	2	0.2%
36	Saudi Arabia	2	0.2%
37	Cambodia	2	0.2%
38	Croatia	1	0.1%
39	Israel	1	0.1%
40	Hong Kong	1	0.1%
41	Serbia	1	0.1%
42	Philippines	1	0.1%
43	Morocco	1	0.1%
44	Slovakia	1	0.1%
45	Ukraine	1	0.1%
46	United Arab Emirates	1	0.1%