Rank	Countries/Territories	Count	Percent
1	United States	402	48.4%
2	Germany	96	11.6%
3	China	91	11%
4	United Kingdom	34	4.1%
5	Netherlands	32	3.9%
6	Australia	17	2%
7	France	16	1.9%
8	Iran, Islamic Republic of	15	1.8%
9	India	14	1.7%
10	Japan	13	1.6%
11	Canada	12	1.4%
12	Sweden	9	1.1%
13	South Africa	7	0.8%
14	Nigeria	7	0.8%
15	Indonesia	7	0.8%
16	Ukraine	6	0.7%
17	Spain	4	0.5%
18	Philippines	4	0.5%
19	Korea, Republic of	4	0.5%
20	Ireland	4	0.5%
21	Cyprus	3	0.4%
22	Egypt	3	0.4%
23	Latvia	3	0.4%
24	Pakistan	3	0.4%
25	Thailand	3	0.4%
26	Turkey	2	0.2%
27	Lithuania	2	0.2%
28	Malaysia	2	0.2%
29	Argentina	2	0.2%
30	Belgium	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	Mongolia	1	0.1%
36	Poland	1	0.1%
37	Russia	1	0.1%
38	Switzerland	1	0.1%
39	Taiwan	1	0.1%