Rank	Countries/Territories	Count	Percent
1	United States	818	54.6%
2	China	157	10.5%
3	Germany	105	7%
4	United Kingdom	81	5.4%
5	India	57	3.8%
6	Japan	32	2.1%
7	Netherlands	30	2%
8	France	27	1.8%
9	Australia	26	1.7%
10	Korea, Republic of	22	1.5%
11	Canada	19	1.3%
12	Singapore	13	0.9%
13	Ireland	12	0.8%
14	Hong Kong	9	0.6%
15	Taiwan	8	0.5%
16	New Zealand	5	0.3%
17	Nigeria	4	0.3%
18	Iran, Islamic Republic of	4	0.3%
19	Brazil	4	0.3%
20	Cyprus	3	0.2%
21	Mexico	3	0.2%
22	Peru	3	0.2%
23	Philippines	3	0.2%
24	Turkey	3	0.2%
25	United Arab Emirates	3	0.2%
26	Portugal	3	0.2%
27	Puerto Rico	3	0.2%
28	Russia	2	0.1%
29	Sweden	2	0.1%
30	Thailand	2	0.1%
31	Viet Nam	2	0.1%
32	Zambia	2	0.1%
33	Poland	2	0.1%
34	Mongolia	2	0.1%
35	Italy	2	0.1%
36	Malaysia	2	0.1%
37	Belgium	2	0.1%
38	Bermuda	2	0.1%
39	Georgia	2	0.1%
40	Indonesia	1	0.1%
41	Albania	1	0.1%
42	Denmark	1	0.1%
43	Egypt	1	0.1%
44	Ethiopia	1	0.1%
45	Finland	1	0.1%
46	Latvia	1	0.1%
47	Israel	1	0.1%
48	Kenya	1	0.1%
49	Norway	1	0.1%
50	Pakistan	1	0.1%
51	Virgin Islands, U.S.	1	0.1%
52	Venezuela, Bolivarian Republic of	1	0.1%
53	Switzerland	1	0.1%
54	Spain	1	0.1%
55	Saudi Arabia	1	0.1%
56	Romania	1	0.1%