Rank	Countries/Territories	Count	Percent
1	United States	525	38%
2	China	402	29.1%
3	Germany	112	8.1%
4	France	57	4.1%
5	Norway	55	4%
6	Netherlands	51	3.7%
7	Japan	30	2.2%
8	Russia	23	1.7%
9	India	16	1.2%
10	Singapore	12	0.9%
11	Canada	10	0.7%
12	Cyprus	9	0.7%
13	Turkey	8	0.6%
14	Thailand	5	0.4%
15	Bangladesh	5	0.4%
16	Korea, Republic of	5	0.4%
17	Brazil	4	0.3%
18	Poland	4	0.3%
19	Ukraine	4	0.3%
20	Viet Nam	4	0.3%
21	Italy	3	0.2%
22	Slovakia	3	0.2%
23	Sri Lanka	3	0.2%
24	Australia	3	0.2%
25	Hong Kong	3	0.2%
26	Latvia	2	0.1%
27	Switzerland	2	0.1%
28	Taiwan	2	0.1%
29	South Africa	2	0.1%
30	Spain	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Malaysia	2	0.1%
33	Mauritius	2	0.1%
34	Nigeria	2	0.1%
35	United Kingdom	2	0.1%
36	Portugal	1	0.1%
37	Saudi Arabia	1	0.1%
38	Lithuania	1	0.1%
39	Indonesia	1	0.1%
40	Argentina	1	0.1%