Rank	Countries/Territories	Count	Percent
1	United States	566	25.1%
2	China	530	23.5%
3	Japan	296	13.1%
4	Germany	141	6.3%
5	Netherlands	115	5.1%
6	Poland	66	2.9%
7	Bulgaria	33	1.5%
8	Canada	29	1.3%
9	South Africa	27	1.2%
10	France	25	1.1%
11	Latvia	25	1.1%
12	Ireland	23	1%
13	Singapore	21	0.9%
14	India	20	0.9%
15	Ghana	19	0.8%
16	Bangladesh	18	0.8%
17	Australia	17	0.8%
18	Indonesia	17	0.8%
19	Russia	17	0.8%
20	Turkey	16	0.7%
21	Nigeria	16	0.7%
22	Cyprus	16	0.7%
23	Malaysia	13	0.6%
24	Korea, Republic of	13	0.6%
25	Spain	13	0.6%
26	United Kingdom	13	0.6%
27	Iraq	12	0.5%
28	Cote D'ivoire	11	0.5%
29	Taiwan	11	0.5%
30	Thailand	11	0.5%
31	Ukraine	9	0.4%
32	Switzerland	7	0.3%
33	Viet Nam	6	0.3%
34	Libya	6	0.3%
35	Israel	5	0.2%
36	Italy	5	0.2%
37	Ethiopia	5	0.2%
38	Saudi Arabia	4	0.2%
39	Morocco	4	0.2%
40	Pakistan	4	0.2%
41	Papua New Guinea	4	0.2%
42	Portugal	3	0.1%
43	Hong Kong	3	0.1%
44	Argentina	3	0.1%
45	Cameroon	3	0.1%
46	Norway	3	0.1%
47	New Zealand	2	0.1%
48	Mongolia	2	0.1%
49	Mauritius	2	0.1%
50	Iran, Islamic Republic of	2	0.1%
51	Benin	2	0.1%
52	Brazil	2	0.1%
53	Philippines	2	0.1%
54	Senegal	2	0.1%
55	Tanzania, United Republic of	2	0.1%
56	Yemen	2	0.1%
57	Uzbekistan	1	0%
58	United Arab Emirates	1	0%
59	Tunisia	1	0%
60	Romania	1	0%
61	Belgium	1	0%
62	Lithuania	1	0%
63	Mexico	1	0%
64	Oman	1	0%