Rank	Countries/Territories	Count	Percent
1	United States	507	35.9%
2	China	393	27.9%
3	Germany	150	10.6%
4	India	70	5%
5	Japan	35	2.5%
6	Netherlands	24	1.7%
7	France	17	1.2%
8	Canada	15	1.1%
9	United Kingdom	14	1%
10	Switzerland	13	0.9%
11	Russia	13	0.9%
12	Egypt	12	0.9%
13	Philippines	12	0.9%
14		10	0.7%
15	Iceland	9	0.6%
16	Singapore	9	0.6%
17	Iran, Islamic Republic of	9	0.6%
18	Ethiopia	8	0.6%
19	Cyprus	8	0.6%
20	Colombia	7	0.5%
21	South Africa	7	0.5%
22	Korea, Republic of	6	0.4%
23	Turkey	6	0.4%
24	Thailand	5	0.4%
25	Viet Nam	5	0.4%
26	Mexico	4	0.3%
27	Bangladesh	4	0.3%
28	Hong Kong	4	0.3%
29	Malaysia	3	0.2%
30	Nicaragua	3	0.2%
31	United Arab Emirates	3	0.2%
32	Norway	2	0.1%
33	Sweden	2	0.1%
34	Italy	2	0.1%
35	Iraq	2	0.1%
36	Indonesia	2	0.1%
37	Ecuador	2	0.1%
38	Brazil	2	0.1%
39	Argentina	2	0.1%
40	Australia	2	0.1%
41	Chile	2	0.1%
42	Ireland	1	0.1%
43	Lebanon	1	0.1%
44	Panama	1	0.1%
45	Peru	1	0.1%
46	Ukraine	1	0.1%
47	Romania	1	0.1%