Rank	Countries/Territories	Count	Percent
1	United States	470	43.3%
2	China	251	23.1%
3	Germany	71	6.5%
4	France	46	4.2%
5	India	35	3.2%
6	Canada	31	2.9%
7	Netherlands	25	2.3%
8	Japan	22	2%
9	Korea, Republic of	19	1.7%
10	Singapore	18	1.7%
11	United Kingdom	14	1.3%
12	Ireland	7	0.6%
13	Cyprus	6	0.6%
14	Australia	6	0.6%
15	Viet Nam	6	0.6%
16	Egypt	5	0.5%
17	Argentina	4	0.4%
18	Indonesia	4	0.4%
19	Israel	4	0.4%
20	Italy	4	0.4%
21	Saudi Arabia	3	0.3%
22	Switzerland	3	0.3%
23	Taiwan	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Greece	3	0.3%
26	Ukraine	3	0.3%
27	Bangladesh	2	0.2%
28	Turkey	2	0.2%
29	South Africa	2	0.2%
30	Russia	2	0.2%
31	Nigeria	2	0.2%
32	Norway	2	0.2%
33	Romania	1	0.1%
34	Latvia	1	0.1%
35	Malaysia	1	0.1%
36	Spain	1	0.1%
37	Brazil	1	0.1%
38	Bulgaria	1	0.1%
39	Finland	1	0.1%
40	Georgia	1	0.1%