Rank	Countries/Territories	Count	Percent
1	United States	524	51.1%
2	China	129	12.6%
3	Germany	112	10.9%
4	United Kingdom	38	3.7%
5	Netherlands	33	3.2%
6	Australia	19	1.9%
7	France	17	1.7%
8	India	16	1.6%
9	Iran, Islamic Republic of	15	1.5%
10	Japan	13	1.3%
11	Canada	12	1.2%
12	Indonesia	9	0.9%
13	South Africa	9	0.9%
14	Sweden	9	0.9%
15	Nigeria	7	0.7%
16	Ukraine	6	0.6%
17	Philippines	5	0.5%
18	Korea, Republic of	4	0.4%
19	Spain	4	0.4%
20	Ireland	4	0.4%
21	Belgium	4	0.4%
22	Cyprus	3	0.3%
23	Egypt	3	0.3%
24	Pakistan	3	0.3%
25	Thailand	3	0.3%
26	Latvia	3	0.3%
27	Lithuania	2	0.2%
28	Malaysia	2	0.2%
29	Turkey	2	0.2%
30	Argentina	2	0.2%
31	Finland	2	0.2%
32	Hong Kong	2	0.2%
33	Viet Nam	2	0.2%
34	Ethiopia	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%
37	Mongolia	1	0.1%
38	Poland	1	0.1%
39	Portugal	1	0.1%
40	Russia	1	0.1%
41	Singapore	1	0.1%