Rank	Countries/Territories	Count	Percent
1	United States	486	45%
2	China	273	25.3%
3	Germany	147	13.6%
4	France	26	2.4%
5	Netherlands	20	1.9%
6	Japan	16	1.5%
7	Norway	13	1.2%
8	United Kingdom	10	0.9%
9	Ireland	8	0.7%
10	Cyprus	8	0.7%
11	Canada	8	0.7%
12	Spain	7	0.6%
13	South Africa	5	0.5%
14	Ukraine	5	0.5%
15	Egypt	5	0.5%
16	Brazil	4	0.4%
17	Australia	4	0.4%
18	Sweden	4	0.4%
19	Algeria	3	0.3%
20	Croatia	3	0.3%
21	Hong Kong	3	0.3%
22	India	3	0.3%
23	Ethiopia	2	0.2%
24	Ecuador	2	0.2%
25	Argentina	2	0.2%
26	Bangladesh	2	0.2%
27	Turkey	2	0.2%
28	Poland	2	0.2%
29	Malaysia	2	0.2%
30	Mexico	1	0.1%
31	Libya	1	0.1%
32	Russia	1	0.1%
33	Slovakia	1	0.1%
34	Philippines	1	0.1%
35	Switzerland	1	0.1%