Rank	Countries/Territories	Count	Percent
1	United States	669	45.8%
2	China	231	15.8%
3	Japan	180	12.3%
4	India	72	4.9%
5	Germany	46	3.1%
6	Brazil	37	2.5%
7	Singapore	25	1.7%
8	Korea, Republic of	23	1.6%
9	Portugal	20	1.4%
10	Netherlands	16	1.1%
11	Italy	13	0.9%
12	Russia	11	0.8%
13	Iran, Islamic Republic of	10	0.7%
14	Australia	9	0.6%
15	Spain	8	0.5%
16	United Kingdom	8	0.5%
17	Sweden	6	0.4%
18	Romania	6	0.4%
19	Serbia	5	0.3%
20	Bulgaria	5	0.3%
21	Canada	5	0.3%
22	Hong Kong	5	0.3%
23	Algeria	4	0.3%
24	Israel	4	0.3%
25	Poland	4	0.3%
26	Thailand	4	0.3%
27	Turkey	4	0.3%
28	Ukraine	3	0.2%
29	Taiwan	3	0.2%
30	Ireland	3	0.2%
31	France	3	0.2%
32	Cyprus	2	0.1%
33	Ecuador	2	0.1%
34	Finland	2	0.1%
35	Slovakia	2	0.1%
36	Venezuela, Bolivarian Republic of	1	0.1%
37	Greece	1	0.1%
38	Indonesia	1	0.1%
39	Argentina	1	0.1%
40	Bangladesh	1	0.1%
41	Colombia	1	0.1%
42	Congo, The Democratic Republic of The	1	0.1%
43	Malaysia	1	0.1%
44	Moldova, Republic of	1	0.1%
45	Nigeria	1	0.1%
46	Norway	1	0.1%
47	Pakistan	1	0.1%