Rank	Countries/Territories	Count	Percent
1	United States	639	50.8%
2	China	324	25.7%
3	Germany	64	5.1%
4	United Kingdom	24	1.9%
5	India	22	1.7%
6	Netherlands	20	1.6%
7	Australia	18	1.4%
8	Japan	16	1.3%
9	Canada	12	1%
10	Turkey	12	1%
11	Ireland	11	0.9%
12	Singapore	10	0.8%
13	France	9	0.7%
14	South Africa	8	0.6%
15	Russia	6	0.5%
16	Cuba	6	0.5%
17	Cyprus	5	0.4%
18	Hong Kong	5	0.4%
19	Greece	4	0.3%
20	Egypt	4	0.3%
21	Argentina	4	0.3%
22	Ukraine	4	0.3%
23	Taiwan	2	0.2%
24	Grenada	2	0.2%
25	Hungary	2	0.2%
26	Saudi Arabia	2	0.2%
27	Korea, Republic of	2	0.2%
28	Indonesia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Italy	1	0.1%
31	Nigeria	1	0.1%
32	Philippines	1	0.1%
33	Poland	1	0.1%
34	Portugal	1	0.1%
35	Romania	1	0.1%
36	Malaysia	1	0.1%
37	Spain	1	0.1%
38	Sweden	1	0.1%
39	Switzerland	1	0.1%
40	Iceland	1	0.1%
41	Czech Republic	1	0.1%
42	Denmark	1	0.1%
43	Belgium	1	0.1%
44	Bosnia and Herzegovina	1	0.1%
45	Brazil	1	0.1%
46	Thailand	1	0.1%
47	Tunisia	1	0.1%