Rank	Countries/Territories	Count	Percent
1	United States	659	42.9%
2	China	391	25.5%
3	Germany	139	9.1%
4	France	48	3.1%
5		46	3%
6	Netherlands	45	2.9%
7	Japan	44	2.9%
8	India	21	1.4%
9	Canada	17	1.1%
10	Russia	17	1.1%
11	Singapore	11	0.7%
12	Australia	10	0.7%
13	Bulgaria	7	0.5%
14	Hong Kong	7	0.5%
15	Egypt	7	0.5%
16	Ireland	6	0.4%
17	Thailand	6	0.4%
18	Brazil	4	0.3%
19	Cyprus	4	0.3%
20	Korea, Republic of	4	0.3%
21	Libya	3	0.2%
22	Italy	3	0.2%
23	Colombia	3	0.2%
24	Ethiopia	3	0.2%
25	Portugal	3	0.2%
26	Ukraine	3	0.2%
27	United Kingdom	3	0.2%
28	Israel	2	0.1%
29	Iran, Islamic Republic of	2	0.1%
30	Jordan	2	0.1%
31	Sweden	2	0.1%
32	Taiwan	2	0.1%
33	Pakistan	2	0.1%
34	Poland	1	0.1%
35	Norway	1	0.1%
36	Mauritius	1	0.1%
37	Latvia	1	0.1%
38	Ecuador	1	0.1%
39	United Arab Emirates	1	0.1%
40	Venezuela, Bolivarian Republic of	1	0.1%
41	Romania	1	0.1%
42	Turkey	1	0.1%