Rank	Countries/Territories	Count	Percent
1	United States	884	52.1%
2	China	244	14.4%
3	Germany	126	7.4%
4	Bulgaria	64	3.8%
5	France	59	3.5%
6	South Africa	48	2.8%
7	Korea, Republic of	39	2.3%
8	Japan	30	1.8%
9	Netherlands	26	1.5%
10	Canada	19	1.1%
11	Portugal	13	0.8%
12	United Kingdom	13	0.8%
13	India	11	0.6%
14	Switzerland	10	0.6%
15	Thailand	9	0.5%
16	Russia	8	0.5%
17	Cyprus	8	0.5%
18	Nigeria	7	0.4%
19	Latvia	7	0.4%
20	Poland	7	0.4%
21	Philippines	6	0.4%
22	Mauritius	4	0.2%
23	Lithuania	4	0.2%
24	Australia	4	0.2%
25	Singapore	4	0.2%
26	Spain	3	0.2%
27	Romania	3	0.2%
28	Argentina	3	0.2%
29	Ireland	3	0.2%
30	Iraq	2	0.1%
31	Malaysia	2	0.1%
32	Finland	2	0.1%
33	Hong Kong	2	0.1%
34	Hungary	2	0.1%
35	Belgium	2	0.1%
36	Mongolia	2	0.1%
37	Turkey	2	0.1%
38	Ukraine	2	0.1%
39	United Arab Emirates	1	0.1%
40	Viet Nam	1	0.1%
41	Brazil	1	0.1%
42	Bangladesh	1	0.1%
43	Cote D'ivoire	1	0.1%
44	Denmark	1	0.1%
45	Dominican Republic	1	0.1%
46	Ecuador	1	0.1%
47	Mexico	1	0.1%
48	Indonesia	1	0.1%
49	Israel	1	0.1%
50	Kenya	1	0.1%