Rank	Countries/Territories	Count	Percent
1	United States	580	47.3%
2	China	258	21%
3	Germany	96	7.8%
4	Canada	39	3.2%
5	India	38	3.1%
6	Japan	33	2.7%
7	Poland	23	1.9%
8	Netherlands	21	1.7%
9	France	19	1.5%
10	Korea, Republic of	18	1.5%
11	Spain	11	0.9%
12	Singapore	10	0.8%
13	Russia	10	0.8%
14	Cyprus	9	0.7%
15	Australia	7	0.6%
16	Egypt	5	0.4%
17	Lithuania	5	0.4%
18	United Kingdom	5	0.4%
19	Taiwan	4	0.3%
20	Viet Nam	3	0.2%
21	Ireland	3	0.2%
22	Argentina	3	0.2%
23	Bulgaria	2	0.2%
24	Congo, The Democratic Republic of The	2	0.2%
25	Bahrain	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Pakistan	2	0.2%
28	Slovakia	2	0.2%
29	Switzerland	2	0.2%
30	Serbia	1	0.1%
31	Romania	1	0.1%
32	Philippines	1	0.1%
33	Israel	1	0.1%
34	Italy	1	0.1%
35	Bangladesh	1	0.1%
36	Brazil	1	0.1%
37	Ethiopia	1	0.1%
38	Denmark	1	0.1%
39	Greece	1	0.1%
40	Turkey	1	0.1%
41	Ukraine	1	0.1%