Rank	Countries/Territories	Count	Percent
1	United States	543	41.1%
2	China	303	23%
3	Germany	90	6.8%
4	France	66	5%
5	Japan	65	4.9%
6	India	57	4.3%
7	Korea, Republic of	28	2.1%
8	Switzerland	26	2%
9	Cyprus	16	1.2%
10	Netherlands	15	1.1%
11	Egypt	12	0.9%
12	Australia	12	0.9%
13	Singapore	9	0.7%
14	Ireland	8	0.6%
15	Canada	7	0.5%
16	Argentina	6	0.5%
17	Hong Kong	6	0.5%
18	Portugal	6	0.5%
19	Ukraine	5	0.4%
20	Taiwan	4	0.3%
21	Iran, Islamic Republic of	4	0.3%
22	Costa Rica	4	0.3%
23	United Kingdom	3	0.2%
24	Russia	3	0.2%
25	Slovakia	3	0.2%
26	Thailand	2	0.2%
27	Philippines	2	0.2%
28	Malaysia	2	0.2%
29	Mexico	2	0.2%
30	Nepal	2	0.2%
31	Denmark	2	0.2%
32	Bangladesh	1	0.1%
33	Belgium	1	0.1%
34	Brazil	1	0.1%
35	Libya	1	0.1%
36	Poland	1	0.1%
37	Romania	1	0.1%
38	Viet Nam	1	0.1%