Rank	Countries/Territories	Count	Percent
1	United States	424	37.9%
2	China	328	29.3%
3	Germany	123	11%
4	Latvia	38	3.4%
5	Japan	33	2.9%
6	France	24	2.1%
7	Brazil	21	1.9%
8	Canada	18	1.6%
9	United Kingdom	12	1.1%
10	Saudi Arabia	12	1.1%
11	Netherlands	7	0.6%
12	Norway	6	0.5%
13	Singapore	6	0.5%
14	Ireland	6	0.5%
15	India	6	0.5%
16	Iran, Islamic Republic of	5	0.4%
17	Australia	5	0.4%
18	Cyprus	5	0.4%
19	Russia	5	0.4%
20	Colombia	4	0.4%
21	Bangladesh	4	0.4%
22	Korea, Republic of	3	0.3%
23	Lebanon	2	0.2%
24	Malaysia	2	0.2%
25	Mongolia	2	0.2%
26	Dominican Republic	2	0.2%
27	Hong Kong	2	0.2%
28	Hungary	2	0.2%
29	Argentina	2	0.2%
30	Ethiopia	2	0.2%
31	Indonesia	1	0.1%
32	Egypt	1	0.1%
33	Kuwait	1	0.1%
34	Jamaica	1	0.1%
35	South Africa	1	0.1%
36	Spain	1	0.1%
37	Switzerland	1	0.1%
38	Uganda	1	0.1%
39	United Arab Emirates	1	0.1%