Rank	Countries/Territories	Count	Percent
1	United States	375	42.2%
2	China	179	20.1%
3	Germany	95	10.7%
4	Poland	30	3.4%
5	United Kingdom	21	2.4%
6	India	20	2.2%
7	Canada	17	1.9%
8	France	15	1.7%
9	Ukraine	13	1.5%
10	Norway	12	1.3%
11	Netherlands	11	1.2%
12	Russia	9	1%
13	Cyprus	9	1%
14	Korea, Republic of	8	0.9%
15	Japan	7	0.8%
16	Ireland	7	0.8%
17	Czech Republic	7	0.8%
18	Egypt	6	0.7%
19	Brazil	5	0.6%
20	Singapore	5	0.6%
21	Switzerland	4	0.4%
22	Italy	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Greece	2	0.2%
25	Australia	2	0.2%
26	Bangladesh	2	0.2%
27	Denmark	2	0.2%
28	Cuba	2	0.2%
29	Mexico	2	0.2%
30	South Africa	2	0.2%
31	Spain	2	0.2%
32	Saudi Arabia	2	0.2%
33	Pakistan	2	0.2%
34	Romania	1	0.1%
35	Malta	1	0.1%
36	Bolivia, Plurinational State of	1	0.1%
37	Cameroon	1	0.1%
38	Hong Kong	1	0.1%
39	Iceland	1	0.1%
40	Taiwan	1	0.1%
41	Thailand	1	0.1%