Rank	Countries/Territories	Count	Percent
1	United States	342	31.6%
2	China	297	27.4%
3	Germany	90	8.3%
4	Latvia	39	3.6%
5	Russia	38	3.5%
6	Japan	29	2.7%
7	France	21	1.9%
8	Australia	21	1.9%
9	Singapore	21	1.9%
10	India	18	1.7%
11	Netherlands	18	1.7%
12	Saudi Arabia	17	1.6%
13	Ecuador	16	1.5%
14	Canada	15	1.4%
15	United Kingdom	15	1.4%
16	Ireland	8	0.7%
17	Taiwan	8	0.7%
18	Korea, Republic of	7	0.6%
19	Switzerland	7	0.6%
20	Spain	6	0.6%
21	Thailand	6	0.6%
22	Cyprus	6	0.6%
23	Colombia	5	0.5%
24	Italy	5	0.5%
25	Egypt	3	0.3%
26	Hong Kong	3	0.3%
27	Israel	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Denmark	2	0.2%
30	Argentina	2	0.2%
31	Bangladesh	2	0.2%
32	Malaysia	2	0.2%
33	Turkey	2	0.2%
34	Ukraine	2	0.2%
35	Poland	2	0.2%
36	Puerto Rico	2	0.2%
37	Mongolia	1	0.1%
38	Norway	1	0.1%