Rank	Countries/Territories	Count	Percent
1	United States	550	47.9%
2	China	221	19.3%
3	Korea, Republic of	105	9.1%
4	Germany	70	6.1%
5	India	44	3.8%
6	Japan	22	1.9%
7	Brazil	18	1.6%
8	Russia	16	1.4%
9	Canada	15	1.3%
10	Australia	12	1%
11	United Kingdom	9	0.8%
12	Iran, Islamic Republic of	6	0.5%
13	Italy	6	0.5%
14	Netherlands	5	0.4%
15	Ireland	4	0.3%
16	Turkey	4	0.3%
17	Hong Kong	3	0.3%
18	Norway	3	0.3%
19	Peru	3	0.3%
20	Portugal	3	0.3%
21	Singapore	2	0.2%
22	South Africa	2	0.2%
23	Indonesia	2	0.2%
24	Austria	2	0.2%
25	Czech Republic	2	0.2%
26	Denmark	2	0.2%
27	Egypt	2	0.2%
28	Ukraine	2	0.2%
29	Viet Nam	1	0.1%
30	France	1	0.1%
31	Azerbaijan	1	0.1%
32	Bangladesh	1	0.1%
33	Israel	1	0.1%
34	Spain	1	0.1%
35	Thailand	1	0.1%
36	Romania	1	0.1%
37	Serbia	1	0.1%
38	Philippines	1	0.1%
39	New Zealand	1	0.1%
40	Argentina	1	0.1%
41	Nepal	1	0.1%