Rank	Countries/Territories	Count	Percent
1	United States	1340	51.8%
2	China	388	15%
3	Germany	198	7.7%
4	Bulgaria	97	3.7%
5	Canada	97	3.7%
6	Netherlands	80	3.1%
7	France	53	2%
8	South Africa	47	1.8%
9	United Kingdom	29	1.1%
10	India	29	1.1%
11	Korea, Republic of	19	0.7%
12	Japan	17	0.7%
13	Nigeria	12	0.5%
14	Turkey	12	0.5%
15	Morocco	11	0.4%
16	Cyprus	11	0.4%
17	Mauritius	9	0.3%
18	Romania	9	0.3%
19	Russia	9	0.3%
20	Slovakia	9	0.3%
21	Thailand	8	0.3%
22	Spain	8	0.3%
23	Latvia	8	0.3%
24	Australia	8	0.3%
25	Bangladesh	7	0.3%
26	Kenya	7	0.3%
27	Hong Kong	6	0.2%
28	Philippines	6	0.2%
29	Sweden	6	0.2%
30	Uganda	5	0.2%
31	Singapore	5	0.2%
32	Iran, Islamic Republic of	5	0.2%
33	Ireland	5	0.2%
34	Israel	4	0.2%
35	Ghana	3	0.1%
36	Viet Nam	3	0.1%
37	Ukraine	2	0.1%
38	Switzerland	2	0.1%
39	Taiwan	2	0.1%
40	Argentina	2	0.1%
41	Senegal	2	0.1%
42	Poland	1	0%
43	Norway	1	0%
44	Lithuania	1	0%
45	Mexico	1	0%
46	Myanmar	1	0%
47	New Zealand	1	0%
48	Indonesia	1	0%