Rank	Countries/Territories	Count	Percent
1	United States	539	36.3%
2	China	391	26.4%
3	Germany	141	9.5%
4	Ukraine	81	5.5%
5	France	65	4.4%
6	India	60	4%
7	Switzerland	34	2.3%
8	Netherlands	28	1.9%
9	Japan	21	1.4%
10	Canada	18	1.2%
11	Singapore	16	1.1%
12	Australia	11	0.7%
13	Russia	10	0.7%
14	Cyprus	9	0.6%
15	Ireland	9	0.6%
16	Hong Kong	8	0.5%
17	Korea, Republic of	5	0.3%
18	United Kingdom	4	0.3%
19	Viet Nam	3	0.2%
20	Taiwan	3	0.2%
21	Colombia	3	0.2%
22	Bangladesh	2	0.1%
23	Argentina	2	0.1%
24	Egypt	2	0.1%
25	New Zealand	2	0.1%
26	Norway	2	0.1%
27	Malaysia	2	0.1%
28	Mongolia	2	0.1%
29	Portugal	2	0.1%
30	Romania	1	0.1%
31	Pakistan	1	0.1%
32	Poland	1	0.1%
33	Spain	1	0.1%
34	Lithuania	1	0.1%
35	Italy	1	0.1%
36	Bulgaria	1	0.1%
37	Ecuador	1	0.1%