Rank	Countries/Territories	Count	Percent
1	United States	381	41.8%
2	China	140	15.4%
3	Germany	52	5.7%
4	Russia	46	5%
5	Ireland	45	4.9%
6	Korea, Republic of	25	2.7%
7	France	23	2.5%
8	Australia	22	2.4%
9	Italy	22	2.4%
10	Canada	19	2.1%
11	Malaysia	18	2%
12	India	18	2%
13	Japan	12	1.3%
14	Singapore	9	1%
15	Austria	8	0.9%
16	Netherlands	7	0.8%
17	Switzerland	7	0.8%
18	Iran, Islamic Republic of	6	0.7%
19	Belgium	6	0.7%
20	Slovakia	5	0.5%
21	Denmark	4	0.4%
22	Cyprus	3	0.3%
23		3	0.3%
24	Israel	3	0.3%
25	Thailand	3	0.3%
26	United Kingdom	3	0.3%
27	Portugal	3	0.3%
28	Taiwan	2	0.2%
29	Panama	2	0.2%
30	Argentina	2	0.2%
31	Costa Rica	2	0.2%
32	Brazil	2	0.2%
33	Czech Republic	2	0.2%
34	Egypt	1	0.1%
35	Hong Kong	1	0.1%
36	Norway	1	0.1%
37	Pakistan	1	0.1%
38	Spain	1	0.1%
39	Indonesia	1	0.1%
40	Mongolia	1	0.1%