Rank	Countries/Territories	Count	Percent
1	United States	352	36.1%
2	China	291	29.8%
3	Germany	108	11.1%
4	Canada	35	3.6%
5	India	28	2.9%
6	Netherlands	20	2%
7		17	1.7%
8	Japan	15	1.5%
9	Korea, Republic of	15	1.5%
10	Sweden	15	1.5%
11	Taiwan	9	0.9%
12	France	6	0.6%
13	Australia	6	0.6%
14	Malaysia	5	0.5%
15	Thailand	5	0.5%
16	United Kingdom	5	0.5%
17	Spain	5	0.5%
18	Russia	3	0.3%
19	Senegal	3	0.3%
20	Brazil	3	0.3%
21	Cyprus	3	0.3%
22	Hong Kong	3	0.3%
23	Jordan	2	0.2%
24	Indonesia	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Ireland	2	0.2%
27	Finland	2	0.2%
28	Argentina	2	0.2%
29	Serbia	2	0.2%
30	Lithuania	2	0.2%
31	South Africa	2	0.2%
32	Turkey	2	0.2%
33	Ukraine	1	0.1%
34	Singapore	1	0.1%
35	Egypt	1	0.1%
36	Italy	1	0.1%