Rank	Countries/Territories	Count	Percent
1	United States	572	51.5%
2	China	168	15.1%
3	Germany	100	9%
4	France	43	3.9%
5	South Africa	42	3.8%
6	Japan	29	2.6%
7	Korea, Republic of	29	2.6%
8	Netherlands	15	1.4%
9	Portugal	13	1.2%
10	Bulgaria	13	1.2%
11	Canada	12	1.1%
12	Poland	7	0.6%
13	Cyprus	6	0.5%
14	India	6	0.5%
15	United Kingdom	6	0.5%
16	Singapore	4	0.4%
17	Thailand	3	0.3%
18	Ireland	3	0.3%
19	Argentina	3	0.3%
20	Australia	3	0.3%
21	Romania	3	0.3%
22	Philippines	2	0.2%
23	Lithuania	2	0.2%
24	Malaysia	2	0.2%
25	Mauritius	2	0.2%
26	Mongolia	2	0.2%
27	Hungary	2	0.2%
28	Turkey	2	0.2%
29	Ukraine	2	0.2%
30	United Arab Emirates	1	0.1%
31	Viet Nam	1	0.1%
32	Hong Kong	1	0.1%
33	Israel	1	0.1%
34	Indonesia	1	0.1%
35	Belgium	1	0.1%
36	Dominican Republic	1	0.1%
37	Ecuador	1	0.1%
38	Cote D'ivoire	1	0.1%
39	Latvia	1	0.1%
40	Kenya	1	0.1%
41	Nigeria	1	0.1%
42	Russia	1	0.1%
43	Spain	1	0.1%