Rank	Countries/Territories	Count	Percent
1	United States	245	33.2%
2	China	208	28.2%
3	Germany	54	7.3%
4	Latvia	35	4.7%
5	Japan	31	4.2%
6	Hong Kong	20	2.7%
7	France	17	2.3%
8	Argentina	17	2.3%
9	Nigeria	12	1.6%
10	Netherlands	9	1.2%
11	Australia	9	1.2%
12	Iran, Islamic Republic of	7	0.9%
13	Mexico	6	0.8%
14	Korea, Republic of	5	0.7%
15	Singapore	5	0.7%
16	Spain	5	0.7%
17	Canada	5	0.7%
18	India	5	0.7%
19	Cyprus	5	0.7%
20	United Kingdom	5	0.7%
21	Saudi Arabia	3	0.4%
22	Ireland	3	0.4%
23	New Zealand	2	0.3%
24	Sudan	2	0.3%
25	Taiwan	2	0.3%
26	Turkey	2	0.3%
27	Ukraine	2	0.3%
28	South Africa	2	0.3%
29	Philippines	2	0.3%
30	Egypt	2	0.3%
31	Bangladesh	2	0.3%
32	Brazil	1	0.1%
33	Colombia	1	0.1%
34	Iraq	1	0.1%
35	Kenya	1	0.1%
36	Switzerland	1	0.1%
37	Mongolia	1	0.1%
38	Morocco	1	0.1%
39	Malaysia	1	0.1%