Rank	Countries/Territories	Count	Percent
1	United States	283	34.9%
2	China	222	27.3%
3	Germany	55	6.8%
4	Iran, Islamic Republic of	29	3.6%
5	Canada	25	3.1%
6	India	16	2%
7	France	16	2%
8	Netherlands	14	1.7%
9	United Kingdom	14	1.7%
10	Hong Kong	11	1.4%
11	Ecuador	10	1.2%
12	Japan	10	1.2%
13	Korea, Republic of	9	1.1%
14	Ireland	8	1%
15	Austria	8	1%
16	Chile	5	0.6%
17	Indonesia	5	0.6%
18	Italy	5	0.6%
19	Malaysia	5	0.6%
20	Philippines	5	0.6%
21	Russia	5	0.6%
22	Spain	5	0.6%
23	Singapore	4	0.5%
24	Kazakhstan	3	0.4%
25	Cyprus	3	0.4%
26	Australia	3	0.4%
27	Brazil	3	0.4%
28	Taiwan	3	0.4%
29	Norway	3	0.4%
30	Ukraine	2	0.2%
31	United Arab Emirates	2	0.2%
32	Sweden	2	0.2%
33	Bolivia, Plurinational State of	2	0.2%
34	Portugal	2	0.2%
35	New Zealand	2	0.2%
36	Nigeria	2	0.2%
37	Romania	1	0.1%
38	Slovenia	1	0.1%
39	South Africa	1	0.1%
40	Saudi Arabia	1	0.1%
41	Mongolia	1	0.1%
42	Jordan	1	0.1%
43	Botswana	1	0.1%
44	Bangladesh	1	0.1%
45	Egypt	1	0.1%
46	Ethiopia	1	0.1%
47	Turkey	1	0.1%