Rank	Countries/Territories	Count	Percent
1	United States	588	46.6%
2	China	349	27.7%
3	Germany	95	7.5%
4	India	40	3.2%
5	Switzerland	16	1.3%
6	Netherlands	15	1.2%
7	France	13	1%
8	Japan	12	1%
9	Malaysia	12	1%
10	Nigeria	10	0.8%
11	Canada	10	0.8%
12	Australia	9	0.7%
13	Georgia	8	0.6%
14	Jordan	8	0.6%
15	Senegal	8	0.6%
16	Cyprus	7	0.6%
17	Hong Kong	6	0.5%
18	Singapore	5	0.4%
19	Philippines	5	0.4%
20	United Kingdom	5	0.4%
21	New Zealand	4	0.3%
22	Korea, Republic of	4	0.3%
23	Mexico	3	0.2%
24	Romania	3	0.2%
25	Russia	3	0.2%
26	Thailand	3	0.2%
27	Sweden	2	0.2%
28	Qatar	2	0.2%
29	Latvia	2	0.2%
30	Indonesia	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Ireland	2	0.2%
33	Egypt	2	0.2%
34	Bangladesh	2	0.2%
35	Argentina	1	0.1%
36	Ukraine	1	0.1%
37	Pakistan	1	0.1%
38	Viet Nam	1	0.1%