Rank	Countries/Territories	Count	Percent
1	United States	292	27.7%
2	China	288	27.4%
3	Japan	168	16%
4	Germany	70	6.6%
5	Singapore	36	3.4%
6	Mexico	15	1.4%
7	France	13	1.2%
8	Ireland	13	1.2%
9	India	11	1%
10	Iran, Islamic Republic of	11	1%
11	Ghana	11	1%
12	Netherlands	11	1%
13	Turkey	10	0.9%
14	Ukraine	8	0.8%
15		7	0.7%
16	Russia	6	0.6%
17	Peru	5	0.5%
18	Australia	5	0.5%
19	Belgium	5	0.5%
20	Iraq	5	0.5%
21	Viet Nam	5	0.5%
22	United Kingdom	4	0.4%
23	Egypt	4	0.4%
24	Canada	4	0.4%
25	Romania	4	0.4%
26	Slovenia	3	0.3%
27	South Africa	3	0.3%
28	Pakistan	3	0.3%
29	Korea, Republic of	3	0.3%
30	Finland	3	0.3%
31	United Arab Emirates	3	0.3%
32	Sweden	2	0.2%
33	Taiwan	2	0.2%
34	Hungary	2	0.2%
35	Italy	2	0.2%
36	Argentina	2	0.2%
37	Colombia	2	0.2%
38	Cyprus	2	0.2%
39	Brazil	1	0.1%
40	Aland Islands	1	0.1%
41	Lithuania	1	0.1%
42	Malaysia	1	0.1%
43	Mauritius	1	0.1%
44	Norway	1	0.1%
45	Spain	1	0.1%
46	Philippines	1	0.1%
47	Poland	1	0.1%
48	Uzbekistan	1	0.1%