Rank	Countries/Territories	Count	Percent
1	United States	503	45.4%
2	China	174	15.7%
3	Germany	93	8.4%
4	Japan	49	4.4%
5	Netherlands	45	4.1%
6	Nigeria	27	2.4%
7	Russia	24	2.2%
8	United Kingdom	23	2.1%
9	India	17	1.5%
10	Canada	17	1.5%
11	Greece	16	1.4%
12	Indonesia	11	1%
13	Australia	11	1%
14	Italy	10	0.9%
15	Brazil	9	0.8%
16	New Zealand	8	0.7%
17	Singapore	8	0.7%
18	Cyprus	6	0.5%
19	Philippines	5	0.5%
20	Slovakia	4	0.4%
21	Malaysia	4	0.4%
22	Cote D'ivoire	4	0.4%
23	Ireland	4	0.4%
24	Israel	3	0.3%
25	France	3	0.3%
26	Chile	3	0.3%
27	Sweden	3	0.3%
28	Poland	3	0.3%
29	Taiwan	3	0.3%
30	Saudi Arabia	2	0.2%
31	Romania	2	0.2%
32	Belgium	2	0.2%
33	Denmark	2	0.2%
34	Hong Kong	2	0.2%
35	Iran, Islamic Republic of	1	0.1%
36	Switzerland	1	0.1%
37	Moldova, Republic of	1	0.1%
38	Korea, Republic of	1	0.1%
39	Norway	1	0.1%
40	Oman	1	0.1%
41	Peru	1	0.1%
42	Thailand	1	0.1%
43	Ukraine	1	0.1%