Rank	Countries/Territories	Count	Percent
1	United States	511	40.9%
2	China	313	25.1%
3	Germany	133	10.6%
4	France	41	3.3%
5	Slovakia	36	2.9%
6	Canada	35	2.8%
7	Japan	26	2.1%
8	Netherlands	15	1.2%
9	India	12	1%
10	Australia	10	0.8%
11	Ireland	9	0.7%
12	Turkey	9	0.7%
13	Singapore	9	0.7%
14	Bangladesh	6	0.5%
15	Cyprus	5	0.4%
16	Iran, Islamic Republic of	5	0.4%
17	Russia	4	0.3%
18	Argentina	4	0.3%
19	Egypt	4	0.3%
20	United Kingdom	4	0.3%
21	Ukraine	4	0.3%
22	Switzerland	4	0.3%
23	Thailand	3	0.2%
24	Austria	3	0.2%
25	Saudi Arabia	3	0.2%
26	Philippines	3	0.2%
27	Korea, Republic of	3	0.2%
28	Latvia	2	0.2%
29	Lithuania	2	0.2%
30	Malaysia	2	0.2%
31	Mexico	2	0.2%
32	Jordan	2	0.2%
33	Norway	2	0.2%
34	Romania	2	0.2%
35		2	0.2%
36	Brazil	2	0.2%
37	Georgia	2	0.2%
38	Hong Kong	2	0.2%
39	Hungary	2	0.2%
40	Trinidad and Tobago	2	0.2%
41	Spain	2	0.2%
42	Viet Nam	2	0.2%
43	United Arab Emirates	1	0.1%
44	Indonesia	1	0.1%
45	Ethiopia	1	0.1%
46	Ecuador	1	0.1%
47	Portugal	1	0.1%