Rank	Countries/Territories	Count	Percent
1	United States	625	41.6%
2	China	405	26.9%
3	Germany	123	8.2%
4	Latvia	64	4.3%
5	India	52	3.5%
6	Japan	27	1.8%
7	France	20	1.3%
8	Czech Republic	17	1.1%
9	Netherlands	17	1.1%
10	Italy	12	0.8%
11	Egypt	11	0.7%
12	Switzerland	11	0.7%
13	Hong Kong	9	0.6%
14	Ireland	8	0.5%
15	Singapore	8	0.5%
16	Iraq	7	0.5%
17	Denmark	7	0.5%
18	Canada	7	0.5%
19	Cyprus	6	0.4%
20	Russia	6	0.4%
21	Saudi Arabia	6	0.4%
22	Iran, Islamic Republic of	5	0.3%
23	Australia	5	0.3%
24	Taiwan	5	0.3%
25	Spain	4	0.3%
26	United Kingdom	4	0.3%
27	Bulgaria	4	0.3%
28	Ghana	4	0.3%
29	Belgium	3	0.2%
30	Korea, Republic of	3	0.2%
31	Macao	2	0.1%
32	Bahrain	2	0.1%
33	Argentina	2	0.1%
34	Greece	2	0.1%
35	Ethiopia	2	0.1%
36	Ukraine	2	0.1%
37	Viet Nam	1	0.1%
38	Bangladesh	1	0.1%
39	Benin	1	0.1%
40	Brazil	1	0.1%
41	Nigeria	1	0.1%
42	Norway	1	0.1%
43	Pakistan	1	0.1%