Rank	Countries/Territories	Count	Percent
1	United States	545	25.5%
2	China	501	23.4%
3	Japan	271	12.7%
4	Germany	139	6.5%
5	Netherlands	115	5.4%
6	Poland	66	3.1%
7	Bulgaria	33	1.5%
8	Latvia	25	1.2%
9	South Africa	25	1.2%
10	Ireland	22	1%
11	Canada	22	1%
12	France	22	1%
13	Singapore	21	1%
14	Ghana	19	0.9%
15	Bangladesh	18	0.8%
16	India	18	0.8%
17	Indonesia	17	0.8%
18	Nigeria	16	0.7%
19	Cyprus	16	0.7%
20	Turkey	16	0.7%
21	Russia	14	0.7%
22	Spain	13	0.6%
23	Australia	13	0.6%
24	Malaysia	13	0.6%
25	Korea, Republic of	13	0.6%
26	Iraq	12	0.6%
27	Cote D'ivoire	11	0.5%
28	Thailand	11	0.5%
29	United Kingdom	11	0.5%
30	Ukraine	8	0.4%
31	Taiwan	8	0.4%
32	Switzerland	7	0.3%
33	Viet Nam	6	0.3%
34	Ethiopia	5	0.2%
35	Israel	5	0.2%
36	Italy	5	0.2%
37	Saudi Arabia	4	0.2%
38	Morocco	4	0.2%
39	Pakistan	4	0.2%
40	Papua New Guinea	4	0.2%
41	Portugal	3	0.1%
42	Norway	3	0.1%
43	Hong Kong	3	0.1%
44	Argentina	3	0.1%
45	Cameroon	3	0.1%
46	Benin	2	0.1%
47	Brazil	2	0.1%
48	New Zealand	2	0.1%
49	Mongolia	2	0.1%
50	Mauritius	2	0.1%
51	Iran, Islamic Republic of	2	0.1%
52	Philippines	2	0.1%
53	Senegal	2	0.1%
54	Tanzania, United Republic of	2	0.1%
55	Yemen	2	0.1%
56	Uzbekistan	1	0%
57	United Arab Emirates	1	0%
58	Tunisia	1	0%
59	Romania	1	0%
60	Lithuania	1	0%
61	Mexico	1	0%
62	Oman	1	0%
63	Belgium	1	0%