Rank	Countries/Territories	Count	Percent
1	United States	544	38.8%
2	China	421	30%
3	Germany	176	12.6%
4	Netherlands	57	4.1%
5	France	30	2.1%
6	Japan	22	1.6%
7	United Kingdom	16	1.1%
8	South Africa	14	1%
9	Cyprus	12	0.9%
10	Australia	11	0.8%
11	Ukraine	11	0.8%
12	Singapore	9	0.6%
13	Ghana	8	0.6%
14	Hong Kong	7	0.5%
15	Canada	7	0.5%
16	India	7	0.5%
17	Spain	6	0.4%
18	Taiwan	5	0.4%
19	Philippines	4	0.3%
20	Russia	4	0.3%
21	Korea, Republic of	3	0.2%
22	Latvia	3	0.2%
23	Ireland	3	0.2%
24	Cameroon	3	0.2%
25	Iran, Islamic Republic of	2	0.1%
26	Nepal	2	0.1%
27	Sweden	2	0.1%
28	Saudi Arabia	2	0.1%
29	Uganda	2	0.1%
30	Mauritius	1	0.1%
31	Switzerland	1	0.1%
32	Hungary	1	0.1%
33	Bangladesh	1	0.1%
34	Andorra	1	0.1%
35	Argentina	1	0.1%
36	Denmark	1	0.1%
37	Egypt	1	0.1%