Rank	Countries/Territories	Count	Percent
1	United States	477	40.4%
2	China	285	24.1%
3	Germany	136	11.5%
4	Latvia	41	3.5%
5	France	37	3.1%
6	Canada	22	1.9%
7	Poland	17	1.4%
8	Iran, Islamic Republic of	15	1.3%
9	Cyprus	15	1.3%
10	United Kingdom	14	1.2%
11	Netherlands	13	1.1%
12	Korea, Republic of	11	0.9%
13	Saudi Arabia	9	0.8%
14	India	9	0.8%
15	Australia	9	0.8%
16	Japan	8	0.7%
17	Singapore	7	0.6%
18	Ukraine	6	0.5%
19	Switzerland	6	0.5%
20	United Arab Emirates	4	0.3%
21	Pakistan	3	0.3%
22	Brazil	3	0.3%
23	Egypt	3	0.3%
24	Ghana	3	0.3%
25	Hong Kong	3	0.3%
26	Israel	2	0.2%
27	Norway	2	0.2%
28	Mexico	2	0.2%
29	South Africa	2	0.2%
30	Romania	2	0.2%
31	Viet Nam	2	0.2%
32	Taiwan	2	0.2%
33	Thailand	2	0.2%
34	Turkey	1	0.1%
35	Russia	1	0.1%
36	Qatar	1	0.1%
37	Spain	1	0.1%
38	Mongolia	1	0.1%
39	Philippines	1	0.1%
40	Bulgaria	1	0.1%
41	Bangladesh	1	0.1%
42	Algeria	1	0.1%
43	Costa Rica	1	0.1%