Rank	Countries/Territories	Count	Percent
1	United States	381	40.8%
2	China	199	21.3%
3	Germany	69	7.4%
4	Japan	57	6.1%
5	Ireland	54	5.8%
6	Russia	19	2%
7	Singapore	15	1.6%
8	Netherlands	14	1.5%
9	France	13	1.4%
10	Romania	11	1.2%
11	Korea, Republic of	10	1.1%
12	United Kingdom	9	1%
13	Hong Kong	8	0.9%
14	India	7	0.8%
15	Iran, Islamic Republic of	7	0.8%
16	Australia	7	0.8%
17	Canada	6	0.6%
18	Brazil	5	0.5%
19	Iraq	5	0.5%
20	Portugal	5	0.5%
21	Thailand	4	0.4%
22	Lithuania	4	0.4%
23	Malaysia	3	0.3%
24	Cyprus	3	0.3%
25	Spain	3	0.3%
26	Taiwan	2	0.2%
27	Qatar	2	0.2%
28	South Africa	2	0.2%
29	Egypt	2	0.2%
30	Colombia	2	0.2%
31	Hungary	1	0.1%
32	Philippines	1	0.1%
33	Sweden	1	0.1%
34	Uganda	1	0.1%
35	Ukraine	1	0.1%