Rank	Countries/Territories	Count	Percent
1	United States	451	33.8%
2	China	394	29.5%
3	Germany	138	10.3%
4	Latvia	44	3.3%
5	Canada	36	2.7%
6	Hong Kong	35	2.6%
7	Japan	35	2.6%
8	France	31	2.3%
9	India	30	2.2%
10	Singapore	21	1.6%
11	Netherlands	19	1.4%
12	Australia	11	0.8%
13	Ireland	10	0.7%
14	United Kingdom	9	0.7%
15	Turkey	7	0.5%
16	Korea, Republic of	7	0.5%
17	Israel	6	0.4%
18	Chile	5	0.4%
19	Thailand	5	0.4%
20	Senegal	5	0.4%
21	Mauritius	4	0.3%
22	Russia	3	0.2%
23	Cyprus	3	0.2%
24	Egypt	3	0.2%
25	Greece	3	0.2%
26	Indonesia	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	Switzerland	2	0.1%
29	Spain	1	0.1%
30	Sri Lanka	1	0.1%
31	Saudi Arabia	1	0.1%
32	Nepal	1	0.1%
33	Pakistan	1	0.1%
34	Portugal	1	0.1%
35	Kuwait	1	0.1%
36	Malaysia	1	0.1%
37	Estonia	1	0.1%
38	Brazil	1	0.1%
39	Ukraine	1	0.1%
40	United Arab Emirates	1	0.1%