Rank	Countries/Territories	Count	Percent
1	United States	420	34.4%
2	China	398	32.6%
3	Germany	136	11.1%
4	India	55	4.5%
5	Japan	24	2%
6	Turkey	21	1.7%
7	Korea, Republic of	14	1.1%
8	Italy	12	1%
9	Netherlands	11	0.9%
10	Russia	10	0.8%
11	Egypt	9	0.7%
12	Canada	8	0.7%
13	Senegal	8	0.7%
14	Taiwan	7	0.6%
15	Mauritius	7	0.6%
16	Latvia	7	0.6%
17	Iraq	6	0.5%
18	Singapore	6	0.5%
19	Iran, Islamic Republic of	5	0.4%
20	Cyprus	5	0.4%
21	Nigeria	4	0.3%
22	Jordan	3	0.2%
23	Australia	3	0.2%
24	Brazil	3	0.2%
25	Romania	3	0.2%
26	Switzerland	3	0.2%
27	Syrian Arab Republic	3	0.2%
28	Serbia	2	0.2%
29	United Kingdom	2	0.2%
30	Bulgaria	2	0.2%
31	Greece	2	0.2%
32	Hong Kong	2	0.2%
33	France	2	0.2%
34	Ireland	2	0.2%
35	Nepal	2	0.2%
36	Poland	2	0.2%
37	Norway	1	0.1%
38	Philippines	1	0.1%
39	Lithuania	1	0.1%
40	Indonesia	1	0.1%
41	Algeria	1	0.1%
42	Finland	1	0.1%
43	Belarus	1	0.1%
44	Bolivia, Plurinational State of	1	0.1%
45	Chile	1	0.1%
46	Colombia	1	0.1%
47	Croatia	1	0.1%
48	Uruguay	1	0.1%
49	Spain	1	0.1%