Rank	Countries/Territories	Count	Percent
1	United States	281	31.6%
2	China	220	24.7%
3	Germany	104	11.7%
4	Japan	78	8.8%
5	Ireland	34	3.8%
6	Finland	23	2.6%
7	France	17	1.9%
8	India	13	1.5%
9	Netherlands	13	1.5%
10	United Kingdom	10	1.1%
11	Russia	9	1%
12	Singapore	8	0.9%
13	Canada	8	0.9%
14	Australia	8	0.9%
15	Romania	7	0.8%
16	Egypt	6	0.7%
17	Mexico	6	0.7%
18	Brazil	5	0.6%
19	Iran, Islamic Republic of	4	0.4%
20	Bulgaria	3	0.3%
21	Cyprus	3	0.3%
22	Qatar	3	0.3%
23	Nepal	2	0.2%
24	Hong Kong	2	0.2%
25	Israel	2	0.2%
26	Italy	2	0.2%
27	Philippines	2	0.2%
28	Slovenia	2	0.2%
29	Switzerland	2	0.2%
30	Taiwan	1	0.1%
31	Turkey	1	0.1%
32	Ukraine	1	0.1%
33	United Arab Emirates	1	0.1%
34	South Africa	1	0.1%
35	Spain	1	0.1%
36	Poland	1	0.1%
37	Moldova, Republic of	1	0.1%
38	New Zealand	1	0.1%
39	Norway	1	0.1%
40	Pakistan	1	0.1%
41	Malaysia	1	0.1%