Rank	Countries/Territories	Count	Percent
1	United States	463	35.4%
2	China	428	32.7%
3	Germany	136	10.4%
4	India	55	4.2%
5	Japan	28	2.1%
6	Turkey	21	1.6%
7	Korea, Republic of	14	1.1%
8	Italy	12	0.9%
9	Netherlands	11	0.8%
10	Egypt	10	0.8%
11	Brazil	10	0.8%
12	Russia	10	0.8%
13	Senegal	8	0.6%
14	Canada	8	0.6%
15	Latvia	7	0.5%
16	Mauritius	7	0.5%
17	Taiwan	7	0.5%
18	Singapore	6	0.5%
19	Iraq	6	0.5%
20	Iran, Islamic Republic of	5	0.4%
21	Cyprus	5	0.4%
22	Nigeria	4	0.3%
23	Jordan	3	0.2%
24	Australia	3	0.2%
25	Switzerland	3	0.2%
26	Syrian Arab Republic	3	0.2%
27	Romania	3	0.2%
28	United Kingdom	2	0.2%
29	Serbia	2	0.2%
30	Poland	2	0.2%
31	Bulgaria	2	0.2%
32	Greece	2	0.2%
33	Hong Kong	2	0.2%
34	Hungary	2	0.2%
35	Ireland	2	0.2%
36	France	2	0.2%
37	Nepal	2	0.2%
38	Lithuania	1	0.1%
39	Norway	1	0.1%
40	Philippines	1	0.1%
41	Indonesia	1	0.1%
42	Algeria	1	0.1%
43	Finland	1	0.1%
44	Belarus	1	0.1%
45	Bolivia, Plurinational State of	1	0.1%
46	Chile	1	0.1%
47	Colombia	1	0.1%
48	Croatia	1	0.1%
49	Spain	1	0.1%
50	Uruguay	1	0.1%