Rank	Countries/Territories	Count	Percent
1	United States	393	38.4%
2	China	267	26.1%
3	Germany	137	13.4%
4	Japan	42	4.1%
5	Canada	28	2.7%
6	France	22	2.2%
7	India	20	2%
8	Netherlands	16	1.6%
9	Finland	13	1.3%
10	United Kingdom	9	0.9%
11	Senegal	7	0.7%
12	Hong Kong	7	0.7%
13	Australia	6	0.6%
14	Cyprus	6	0.6%
15	Ukraine	6	0.6%
16	Korea, Republic of	6	0.6%
17	Switzerland	5	0.5%
18	Taiwan	3	0.3%
19	Spain	3	0.3%
20	Norway	3	0.3%
21	Denmark	3	0.3%
22	Ecuador	2	0.2%
23	Bangladesh	2	0.2%
24	Ireland	2	0.2%
25	Italy	2	0.2%
26	Jamaica	2	0.2%
27	Poland	2	0.2%
28	Romania	2	0.2%
29	Mexico	2	0.2%
30	Singapore	2	0.2%
31	Turkey	1	0.1%
32	Mongolia	1	0.1%
33	Argentina	1	0.1%