Rank	Countries/Territories	Count	Percent
1	United States	357	39.6%
2	China	154	17.1%
3	Germany	101	11.2%
4	Netherlands	44	4.9%
5	Norway	41	4.5%
6	Singapore	30	3.3%
7	Switzerland	19	2.1%
8	Japan	16	1.8%
9	India	13	1.4%
10	Ireland	13	1.4%
11	United Kingdom	12	1.3%
12	Iran, Islamic Republic of	10	1.1%
13	France	9	1%
14	Hong Kong	8	0.9%
15	Mexico	8	0.9%
16	South Africa	8	0.9%
17	Canada	7	0.8%
18	Australia	7	0.8%
19	Turkey	5	0.6%
20	Ukraine	4	0.4%
21	Brazil	4	0.4%
22	Pakistan	4	0.4%
23	Mauritius	3	0.3%
24	Sweden	3	0.3%
25	Romania	3	0.3%
26	Cyprus	3	0.3%
27	Belgium	2	0.2%
28	Ghana	2	0.2%
29	Russia	2	0.2%
30	Slovenia	1	0.1%
31	Taiwan	1	0.1%
32	Malaysia	1	0.1%
33	Philippines	1	0.1%
34	Portugal	1	0.1%
35	Italy	1	0.1%
36	Argentina	1	0.1%
37	Austria	1	0.1%
38	Bangladesh	1	0.1%
39	Venezuela, Bolivarian Republic of	1	0.1%