Rank	Countries/Territories	Count	Percent
1	United States	673	54.7%
2	China	116	9.4%
3	Germany	96	7.8%
4	United Kingdom	68	5.5%
5	India	44	3.6%
6	Netherlands	28	2.3%
7	France	24	1.9%
8	Japan	23	1.9%
9	Korea, Republic of	21	1.7%
10	Australia	21	1.7%
11	Canada	16	1.3%
12	Singapore	13	1.1%
13	Ireland	11	0.9%
14	Hong Kong	6	0.5%
15	Taiwan	5	0.4%
16	Iran, Islamic Republic of	4	0.3%
17	Brazil	4	0.3%
18	Cyprus	3	0.2%
19	Mexico	3	0.2%
20	Peru	3	0.2%
21	Turkey	3	0.2%
22	Puerto Rico	3	0.2%
23	Russia	2	0.2%
24	Sweden	2	0.2%
25	United Arab Emirates	2	0.2%
26	Thailand	2	0.2%
27	Viet Nam	2	0.2%
28	Zambia	2	0.2%
29	Philippines	2	0.2%
30	Italy	2	0.2%
31	Malaysia	2	0.2%
32	Belgium	2	0.2%
33	Bermuda	2	0.2%
34	Georgia	2	0.2%
35	Indonesia	1	0.1%
36	Albania	1	0.1%
37	Denmark	1	0.1%
38	Egypt	1	0.1%
39	Ethiopia	1	0.1%
40	Latvia	1	0.1%
41	Israel	1	0.1%
42	Kenya	1	0.1%
43	Portugal	1	0.1%
44	Mongolia	1	0.1%
45	New Zealand	1	0.1%
46	Nigeria	1	0.1%
47	Norway	1	0.1%
48	Virgin Islands, U.S.	1	0.1%
49	Venezuela, Bolivarian Republic of	1	0.1%
50	Switzerland	1	0.1%
51	Spain	1	0.1%
52	Saudi Arabia	1	0.1%
53	Romania	1	0.1%