Rank	Countries/Territories	Count	Percent
1	United States	307	39.9%
2	China	125	16.2%
3	Germany	52	6.8%
4	Japan	33	4.3%
5	Russia	25	3.2%
6	Canada	20	2.6%
7	Korea, Republic of	17	2.2%
8	France	15	1.9%
9	India	15	1.9%
10	United Kingdom	14	1.8%
11	South Africa	12	1.6%
12	Netherlands	12	1.6%
13	United Arab Emirates	11	1.4%
14	Ireland	8	1%
15	Italy	8	1%
16	Singapore	8	1%
17	Australia	8	1%
18	Argentina	7	0.9%
19	Indonesia	5	0.6%
20	Norway	5	0.6%
21	Lithuania	5	0.6%
22	Malaysia	5	0.6%
23	Turkey	5	0.6%
24	Saudi Arabia	4	0.5%
25	Iran, Islamic Republic of	4	0.5%
26	Cyprus	4	0.5%
27	Belgium	3	0.4%
28	Poland	3	0.4%
29	Romania	3	0.4%
30	Lebanon	2	0.3%
31	Ghana	2	0.3%
32	Hungary	2	0.3%
33	Iceland	2	0.3%
34	Spain	2	0.3%
35	Sweden	2	0.3%
36	Taiwan	2	0.3%
37	Thailand	2	0.3%
38	Ukraine	1	0.1%
39	Hong Kong	1	0.1%
40	Czech Republic	1	0.1%
41	Egypt	1	0.1%
42	Bolivia, Plurinational State of	1	0.1%
43	Brazil	1	0.1%
44	Costa Rica	1	0.1%
45	Jamaica	1	0.1%
46	Mongolia	1	0.1%
47	New Zealand	1	0.1%
48	Palestine, State of	1	0.1%