Rank	Countries/Territories	Count	Percent
1	United States	437	35.6%
2	China	379	30.9%
3	Germany	101	8.2%
4	Australia	54	4.4%
5	India	35	2.9%
6	France	29	2.4%
7	Netherlands	19	1.5%
8	Iran, Islamic Republic of	15	1.2%
9	Ireland	15	1.2%
10	Taiwan	13	1.1%
11	Japan	12	1%
12	Estonia	11	0.9%
13	United Kingdom	10	0.8%
14	Canada	9	0.7%
15	Korea, Republic of	9	0.7%
16	Cyprus	8	0.7%
17	Hong Kong	8	0.7%
18	Senegal	7	0.6%
19	Spain	5	0.4%
20	Saudi Arabia	5	0.4%
21	Malaysia	4	0.3%
22	Egypt	4	0.3%
23	Ukraine	4	0.3%
24	Viet Nam	3	0.2%
25	Afghanistan	3	0.2%
26	Pakistan	3	0.2%
27	Lebanon	3	0.2%
28	Sweden	3	0.2%
29	Singapore	3	0.2%
30	Switzerland	2	0.2%
31	Romania	2	0.2%
32	Israel	2	0.2%
33	Yemen	2	0.2%
34	Bahrain	1	0.1%
35	Denmark	1	0.1%
36	Colombia	1	0.1%
37	Russia	1	0.1%
38	Lithuania	1	0.1%
39	Philippines	1	0.1%
40	Mauritius	1	0.1%