Rank	Countries/Territories	Count	Percent
1	United States	448	30.1%
2	China	373	25.1%
3	Korea, Republic of	157	10.6%
4	Germany	134	9%
5	Russia	59	4%
6	India	45	3%
7	Canada	36	2.4%
8	France	34	2.3%
9	Japan	33	2.2%
10	Netherlands	19	1.3%
11	Poland	15	1%
12	Italy	15	1%
13	Singapore	12	0.8%
14	Cyprus	10	0.7%
15	Turkey	10	0.7%
16	Ireland	9	0.6%
17	Indonesia	9	0.6%
18	Iran, Islamic Republic of	7	0.5%
19	Colombia	6	0.4%
20	Armenia	6	0.4%
21	Brazil	5	0.3%
22	Slovakia	4	0.3%
23	South Africa	4	0.3%
24	Spain	4	0.3%
25	Taiwan	4	0.3%
26	United Kingdom	4	0.3%
27	Romania	3	0.2%
28	Nigeria	3	0.2%
29	Argentina	3	0.2%
30	Bangladesh	2	0.1%
31	Australia	2	0.1%
32	Pakistan	2	0.1%
33	New Zealand	2	0.1%
34	Thailand	2	0.1%
35	Ukraine	2	0.1%
36	Viet Nam	1	0.1%
37	Switzerland	1	0.1%
38	Malaysia	1	0.1%
39	Oman	1	0.1%
40	Austria	1	0.1%