Rank	Countries/Territories	Count	Percent
1	United States	437	37%
2	China	344	29.2%
3	Germany	124	10.5%
4	Latvia	49	4.2%
5	Japan	26	2.2%
6	Singapore	18	1.5%
7	Cyprus	16	1.4%
8	France	15	1.3%
9	Canada	13	1.1%
10	Australia	11	0.9%
11	United Kingdom	11	0.9%
12	Turkey	11	0.9%
13	Netherlands	10	0.8%
14	Hong Kong	9	0.8%
15	India	9	0.8%
16	Romania	8	0.7%
17	Costa Rica	8	0.7%
18	Russia	7	0.6%
19	Mexico	5	0.4%
20	Korea, Republic of	5	0.4%
21	Hungary	4	0.3%
22	Italy	3	0.3%
23	Egypt	3	0.3%
24	Colombia	3	0.3%
25	Bangladesh	3	0.3%
26	Cambodia	3	0.3%
27	Spain	3	0.3%
28	Taiwan	2	0.2%
29	Ukraine	2	0.2%
30	Algeria	2	0.2%
31	Brazil	2	0.2%
32	Azerbaijan	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Poland	2	0.2%
35	Portugal	2	0.2%
36	Norway	1	0.1%
37	Ireland	1	0.1%
38	Chile	1	0.1%
39	Ecuador	1	0.1%
40	Greece	1	0.1%
41	Thailand	1	0.1%