Rank	Countries/Territories	Count	Percent
1	United States	274	36.7%
2	China	162	21.7%
3	Germany	58	7.8%
4	United Kingdom	55	7.4%
5	India	26	3.5%
6	Australia	26	3.5%
7	Netherlands	21	2.8%
8	Japan	18	2.4%
9	Ireland	14	1.9%
10	Canada	9	1.2%
11	Singapore	7	0.9%
12	Switzerland	6	0.8%
13	Spain	5	0.7%
14	Korea, Republic of	5	0.7%
15	France	5	0.7%
16	Russia	5	0.7%
17	Italy	4	0.5%
18	Belgium	4	0.5%
19	Iran, Islamic Republic of	4	0.5%
20	Romania	4	0.5%
21	Taiwan	3	0.4%
22	Bangladesh	3	0.4%
23	Denmark	3	0.4%
24	Egypt	3	0.4%
25	Hong Kong	3	0.4%
26	Cyprus	2	0.3%
27	Bulgaria	2	0.3%
28	Ukraine	2	0.3%
29	Portugal	2	0.3%
30	Kazakhstan	2	0.3%
31	Kenya	2	0.3%
32	New Zealand	2	0.3%
33	Norway	1	0.1%
34	Philippines	1	0.1%
35	United Arab Emirates	1	0.1%
36	Turkey	1	0.1%
37	Indonesia	1	0.1%