Rank	Countries/Territories	Count	Percent
1	United States	264	30.9%
2	China	210	24.6%
3	Germany	104	12.2%
4	Japan	78	9.1%
5	Ireland	33	3.9%
6	Finland	23	2.7%
7	France	16	1.9%
8	India	13	1.5%
9	Netherlands	11	1.3%
10	United Kingdom	10	1.2%
11	Russia	9	1.1%
12	Singapore	8	0.9%
13	Australia	8	0.9%
14	Canada	7	0.8%
15	Romania	7	0.8%
16	Egypt	6	0.7%
17	Brazil	5	0.6%
18	Mexico	5	0.6%
19	Iran, Islamic Republic of	4	0.5%
20	Bulgaria	3	0.4%
21	Cyprus	3	0.4%
22	Qatar	3	0.4%
23	Hong Kong	2	0.2%
24	Israel	2	0.2%
25	Italy	2	0.2%
26	Nepal	2	0.2%
27	Philippines	2	0.2%
28	Slovenia	2	0.2%
29	Switzerland	2	0.2%
30	Turkey	1	0.1%
31	Ukraine	1	0.1%
32	United Arab Emirates	1	0.1%
33	Spain	1	0.1%
34	Poland	1	0.1%
35	New Zealand	1	0.1%
36	Norway	1	0.1%
37	Pakistan	1	0.1%
38	Malaysia	1	0.1%