Rank	Countries/Territories	Count	Percent
1	United States	385	35.4%
2	China	380	34.9%
3	Germany	98	9%
4	United Kingdom	27	2.5%
5	France	26	2.4%
6	Norway	15	1.4%
7	Japan	14	1.3%
8	Netherlands	13	1.2%
9	India	11	1%
10	Canada	10	0.9%
11	Ireland	10	0.9%
12	Singapore	9	0.8%
13	Cyprus	9	0.8%
14	Russia	7	0.6%
15	Australia	6	0.6%
16	Egypt	6	0.6%
17	Switzerland	5	0.5%
18	Romania	4	0.4%
19	Thailand	4	0.4%
20	Iran, Islamic Republic of	4	0.4%
21	Latvia	3	0.3%
22	Hong Kong	3	0.3%
23	Indonesia	3	0.3%
24	Ukraine	3	0.3%
25	United Arab Emirates	3	0.3%
26	Turkey	2	0.2%
27	Sweden	2	0.2%
28	Taiwan	2	0.2%
29	Argentina	2	0.2%
30	Cameroon	2	0.2%
31	Colombia	2	0.2%
32	Slovakia	2	0.2%
33	Malaysia	2	0.2%
34	Korea, Republic of	2	0.2%
35	Iraq	2	0.2%
36	Italy	1	0.1%
37	Mexico	1	0.1%
38	Spain	1	0.1%
39	Senegal	1	0.1%
40	Portugal	1	0.1%
41	Czech Republic	1	0.1%
42	Belgium	1	0.1%
43	Ghana	1	0.1%
44	Ethiopia	1	0.1%
45	Yemen	1	0.1%