Rank	Countries/Territories	Count	Percent
1	United States	508	38%
2	China	451	33.8%
3	Germany	77	5.8%
4	France	52	3.9%
5	Latvia	50	3.7%
6	Japan	23	1.7%
7	Netherlands	19	1.4%
8	Canada	16	1.2%
9	Singapore	13	1%
10	United Kingdom	12	0.9%
11	Taiwan	11	0.8%
12	Korea, Republic of	11	0.8%
13	Brazil	9	0.7%
14	Iraq	8	0.6%
15	Spain	7	0.5%
16	Cyprus	6	0.4%
17	Denmark	5	0.4%
18	India	5	0.4%
19	Ghana	5	0.4%
20	Switzerland	5	0.4%
21	Russia	5	0.4%
22	Philippines	4	0.3%
23	Hong Kong	4	0.3%
24	Indonesia	3	0.2%
25	Ireland	3	0.2%
26	Viet Nam	3	0.2%
27	Ukraine	2	0.1%
28	Tunisia	2	0.1%
29	Poland	2	0.1%
30	Pakistan	2	0.1%
31	Italy	2	0.1%
32	Iran, Islamic Republic of	2	0.1%
33	Egypt	2	0.1%
34	Australia	2	0.1%
35	Bangladesh	1	0.1%
36	Croatia	1	0.1%
37	Hungary	1	0.1%
38	Qatar	1	0.1%
39	Turkey	1	0.1%