Rank	Countries/Territories	Count	Percent
1	United States	586	52%
2	China	255	22.6%
3	Germany	82	7.3%
4	France	36	3.2%
5	Canada	18	1.6%
6	United Kingdom	16	1.4%
7	Netherlands	15	1.3%
8	Japan	13	1.2%
9	Singapore	13	1.2%
10	India	12	1.1%
11	Australia	10	0.9%
12	Iran, Islamic Republic of	7	0.6%
13	Italy	6	0.5%
14	Korea, Republic of	5	0.4%
15	Russia	5	0.4%
16	Cyprus	5	0.4%
17	Saudi Arabia	4	0.4%
18	Portugal	4	0.4%
19	Thailand	3	0.3%
20	Turkey	3	0.3%
21	Belgium	3	0.3%
22	Hong Kong	3	0.3%
23	Mauritius	3	0.3%
24	Argentina	2	0.2%
25	Ukraine	2	0.2%
26	Spain	2	0.2%
27	Malaysia	2	0.2%
28	Kenya	2	0.2%
29	Switzerland	1	0.1%
30	Taiwan	1	0.1%
31	South Africa	1	0.1%
32	Bangladesh	1	0.1%
33	Denmark	1	0.1%
34	Colombia	1	0.1%
35	Georgia	1	0.1%
36	Iraq	1	0.1%
37	Ireland	1	0.1%
38	Indonesia	1	0.1%