Rank	Countries/Territories	Count	Percent
1	United States	491	33.7%
2	China	312	21.4%
3	Japan	207	14.2%
4	Germany	84	5.8%
5	India	47	3.2%
6	Singapore	43	3%
7	United Kingdom	43	3%
8	Latvia	40	2.7%
9		37	2.5%
10	Netherlands	19	1.3%
11	Australia	15	1%
12	Canada	14	1%
13	Iran, Islamic Republic of	12	0.8%
14	Russia	7	0.5%
15	Turkey	6	0.4%
16	Pakistan	6	0.4%
17	Ireland	6	0.4%
18	Argentina	6	0.4%
19	Korea, Republic of	6	0.4%
20	Malaysia	5	0.3%
21	New Zealand	4	0.3%
22	Hong Kong	4	0.3%
23	Cyprus	4	0.3%
24	Egypt	4	0.3%
25	Israel	3	0.2%
26	Uganda	3	0.2%
27	Peru	2	0.1%
28	Philippines	2	0.1%
29	Ecuador	2	0.1%
30	Georgia	2	0.1%
31	Bangladesh	2	0.1%
32	Albania	2	0.1%
33	Czech Republic	1	0.1%
34	Ethiopia	1	0.1%
35	Italy	1	0.1%
36	Norway	1	0.1%
37	Mexico	1	0.1%
38	Slovakia	1	0.1%
39	South Africa	1	0.1%
40	Spain	1	0.1%
41	Suriname	1	0.1%
42	Sweden	1	0.1%
43	Taiwan	1	0.1%
44	Thailand	1	0.1%
45	Poland	1	0.1%
46	Puerto Rico	1	0.1%
47	Qatar	1	0.1%
48	Ukraine	1	0.1%