Rank	Countries/Territories	Count	Percent
1	United States	436	39.2%
2	China	286	25.7%
3	Germany	81	7.3%
4	Ireland	62	5.6%
5	Japan	57	5.1%
6	Russia	19	1.7%
7	Singapore	15	1.3%
8	France	14	1.3%
9	Netherlands	14	1.3%
10	Romania	12	1.1%
11	United Kingdom	10	0.9%
12	Korea, Republic of	10	0.9%
13	Australia	9	0.8%
14	Hong Kong	8	0.7%
15	India	8	0.7%
16	Iran, Islamic Republic of	8	0.7%
17	Canada	6	0.5%
18	Brazil	5	0.4%
19	Cyprus	5	0.4%
20	Iraq	5	0.4%
21	Sweden	5	0.4%
22	Portugal	5	0.4%
23	Spain	4	0.4%
24	Thailand	4	0.4%
25	Lithuania	4	0.4%
26	Malaysia	3	0.3%
27	Belgium	3	0.3%
28	Egypt	2	0.2%
29	Colombia	2	0.2%
30	Taiwan	2	0.2%
31	Qatar	2	0.2%
32	South Africa	2	0.2%
33	Philippines	1	0.1%
34	Switzerland	1	0.1%
35	Uganda	1	0.1%
36	Ukraine	1	0.1%
37	Hungary	1	0.1%