Rank	Countries/Territories	Count	Percent
1	United States	308	33.7%
2	China	282	30.8%
3	Germany	121	13.2%
4	India	33	3.6%
5		26	2.8%
6	United Kingdom	25	2.7%
7	Japan	18	2%
8	Netherlands	15	1.6%
9	Ukraine	11	1.2%
10	Senegal	8	0.9%
11	Canada	8	0.9%
12	Hong Kong	6	0.7%
13	Switzerland	6	0.7%
14	Taiwan	4	0.4%
15	Argentina	4	0.4%
16	Bangladesh	3	0.3%
17	Bulgaria	3	0.3%
18	Cyprus	3	0.3%
19	France	3	0.3%
20	Mexico	3	0.3%
21	Poland	3	0.3%
22	Russia	3	0.3%
23	Pakistan	2	0.2%
24	Lithuania	2	0.2%
25	Thailand	2	0.2%
26	Sweden	2	0.2%
27	Australia	2	0.2%
28	Iraq	2	0.2%
29	Italy	1	0.1%
30	Korea, Republic of	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Bolivia, Plurinational State of	1	0.1%
33	Finland	1	0.1%
34	Singapore	1	0.1%
35	Norway	1	0.1%