Rank	Countries/Territories	Count	Percent
1	United States	604	36.6%
2	China	510	30.9%
3	Germany	103	6.2%
4	Canada	88	5.3%
5	Egypt	58	3.5%
6	Ireland	40	2.4%
7	Japan	36	2.2%
8	Italy	30	1.8%
9	India	24	1.5%
10	France	22	1.3%
11	Korea, Republic of	21	1.3%
12	Australia	20	1.2%
13	Netherlands	8	0.5%
14	Singapore	8	0.5%
15	United Kingdom	8	0.5%
16	Russia	7	0.4%
17	Lithuania	6	0.4%
18	Cyprus	6	0.4%
19	Latvia	5	0.3%
20	Turkey	5	0.3%
21	Ukraine	4	0.2%
22	Poland	4	0.2%
23	Argentina	4	0.2%
24	Hong Kong	3	0.2%
25	Norway	3	0.2%
26	Mauritius	3	0.2%
27	Mexico	3	0.2%
28	Spain	3	0.2%
29	Mongolia	2	0.1%
30	Hungary	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Uruguay	2	0.1%
33	Brazil	1	0.1%
34	Bulgaria	1	0.1%
35	Philippines	1	0.1%
36	Portugal	1	0.1%
37	Romania	1	0.1%
38	Switzerland	1	0.1%
39	Taiwan	1	0.1%