Rank	Countries/Territories	Count	Percent
1	United States	330	41.6%
2	China	229	28.9%
3	Germany	37	4.7%
4	Russia	24	3%
5	Brazil	19	2.4%
6	India	16	2%
7	Latvia	16	2%
8	Singapore	15	1.9%
9	United Kingdom	14	1.8%
10	Japan	8	1%
11	Canada	8	1%
12	Australia	8	1%
13	Korea, Republic of	6	0.8%
14	Mexico	6	0.8%
15	Netherlands	6	0.8%
16	Turkey	6	0.8%
17	Hong Kong	5	0.6%
18	Italy	4	0.5%
19	Portugal	3	0.4%
20	Thailand	3	0.4%
21	Ireland	3	0.4%
22	Chile	2	0.3%
23	Argentina	2	0.3%
24	France	2	0.3%
25	Taiwan	2	0.3%
26	Malaysia	2	0.3%
27	Pakistan	2	0.3%
28	Venezuela, Bolivarian Republic of	2	0.3%
29	Peru	1	0.1%
30	Philippines	1	0.1%
31	Mauritius	1	0.1%
32	Serbia	1	0.1%
33	Slovakia	1	0.1%
34	Spain	1	0.1%
35	Switzerland	1	0.1%
36	Syrian Arab Republic	1	0.1%
37	Denmark	1	0.1%
38	Finland	1	0.1%
39	Austria	1	0.1%
40	Israel	1	0.1%
41	Libya	1	0.1%