Rank	Countries/Territories	Count	Percent
1	United States	271	35.9%
2	China	199	26.4%
3	Germany	90	11.9%
4	India	25	3.3%
5	Japan	25	3.3%
6	Korea, Republic of	17	2.3%
7	Russia	11	1.5%
8	Turkey	9	1.2%
9	Netherlands	9	1.2%
10	Italy	8	1.1%
11	Canada	7	0.9%
12	France	7	0.9%
13	Cyprus	6	0.8%
14	Indonesia	6	0.8%
15	Thailand	6	0.8%
16	United Kingdom	5	0.7%
17	Switzerland	5	0.7%
18	Norway	4	0.5%
19	Mexico	4	0.5%
20	Viet Nam	4	0.5%
21	Ireland	3	0.4%
22	Egypt	3	0.4%
23	Belgium	3	0.4%
24	Australia	2	0.3%
25	Bangladesh	2	0.3%
26	Iraq	2	0.3%
27	Hong Kong	2	0.3%
28	Romania	2	0.3%
29	Pakistan	2	0.3%
30	Taiwan	2	0.3%
31	Serbia	2	0.3%
32	Singapore	2	0.3%
33	Slovakia	2	0.3%
34	Sri Lanka	1	0.1%
35	Ukraine	1	0.1%
36	Portugal	1	0.1%
37	Malaysia	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Israel	1	0.1%
40	Bolivia, Plurinational State of	1	0.1%
41	Bulgaria	1	0.1%