Rank	Countries/Territories	Count	Percent
1	United States	584	38.6%
2	China	430	28.4%
3	Germany	139	9.2%
4	India	63	4.2%
5	United Kingdom	44	2.9%
6	Taiwan	33	2.2%
7	Australia	28	1.9%
8	Japan	26	1.7%
9	Netherlands	24	1.6%
10	Canada	17	1.1%
11	Brazil	10	0.7%
12	Malaysia	8	0.5%
13	Singapore	8	0.5%
14	Italy	7	0.5%
15	Argentina	7	0.5%
16	Ukraine	7	0.5%
17	Spain	6	0.4%
18	Romania	6	0.4%
19	Russia	6	0.4%
20	Iran, Islamic Republic of	5	0.3%
21	Cyprus	5	0.3%
22	France	5	0.3%
23	Ireland	4	0.3%
24	Pakistan	4	0.3%
25	Portugal	4	0.3%
26	Turkey	3	0.2%
27	Norway	3	0.2%
28	Ethiopia	3	0.2%
29	Czech Republic	2	0.1%
30	Albania	2	0.1%
31	Bangladesh	2	0.1%
32	Bulgaria	2	0.1%
33	Chile	2	0.1%
34	Hungary	2	0.1%
35	Switzerland	2	0.1%
36	Poland	2	0.1%
37	Saudi Arabia	1	0.1%
38	Serbia	1	0.1%
39	Korea, Republic of	1	0.1%
40	Peru	1	0.1%
41	Philippines	1	0.1%
42	Belgium	1	0.1%
43	Hong Kong	1	0.1%
44	Tanzania, United Republic of	1	0.1%