Rank	Countries/Territories	Count	Percent
1	United States	442	42.2%
2	China	175	16.7%
3	Germany	110	10.5%
4	Netherlands	45	4.3%
5	Norway	41	3.9%
6	Singapore	40	3.8%
7	Switzerland	19	1.8%
8	Mexico	17	1.6%
9	Japan	16	1.5%
10	United Kingdom	14	1.3%
11	India	13	1.2%
12	Ireland	13	1.2%
13	Iran, Islamic Republic of	10	1%
14	France	9	0.9%
15	Australia	9	0.9%
16	Hong Kong	8	0.8%
17	South Africa	8	0.8%
18	Canada	7	0.7%
19	Sweden	5	0.5%
20	Turkey	5	0.5%
21	Ukraine	4	0.4%
22	Pakistan	4	0.4%
23	Brazil	4	0.4%
24	Cyprus	4	0.4%
25	Argentina	3	0.3%
26	Mauritius	3	0.3%
27	Romania	3	0.3%
28	Russia	2	0.2%
29	Korea, Republic of	2	0.2%
30	Belgium	2	0.2%
31	Ghana	2	0.2%
32	Italy	1	0.1%
33	Austria	1	0.1%
34	Bangladesh	1	0.1%
35	Malaysia	1	0.1%
36	Philippines	1	0.1%
37	Portugal	1	0.1%
38	Slovenia	1	0.1%
39	Taiwan	1	0.1%
40	Venezuela, Bolivarian Republic of	1	0.1%