Rank	Countries/Territories	Count	Percent
1	United States	456	37.6%
2	China	201	16.6%
3	Germany	88	7.2%
4	Japan	76	6.3%
5	Denmark	47	3.9%
6	India	35	2.9%
7	Singapore	25	2.1%
8	Spain	23	1.9%
9	Canada	21	1.7%
10	Netherlands	20	1.6%
11	Colombia	19	1.6%
12	France	15	1.2%
13	Ukraine	14	1.2%
14	Hong Kong	12	1%
15	Australia	11	0.9%
16	United Kingdom	11	0.9%
17	Taiwan	11	0.9%
18	Ireland	10	0.8%
19	Norway	10	0.8%
20	Pakistan	9	0.7%
21	Brazil	9	0.7%
22	Argentina	8	0.7%
23	Egypt	8	0.7%
24	Philippines	7	0.6%
25	Portugal	7	0.6%
26	Italy	6	0.5%
27	Korea, Republic of	5	0.4%
28	Cyprus	5	0.4%
29	Greece	5	0.4%
30	Turkey	5	0.4%
31	Bangladesh	4	0.3%
32	Lebanon	3	0.2%
33	Malaysia	3	0.2%
34	Mexico	3	0.2%
35	Romania	3	0.2%
36	Sweden	3	0.2%
37	Thailand	2	0.2%
38	Peru	2	0.2%
39	Guatemala	2	0.2%
40	Hungary	2	0.2%
41	Iran, Islamic Republic of	2	0.2%
42	Poland	1	0.1%
43	Russia	1	0.1%
44	South Africa	1	0.1%
45	New Zealand	1	0.1%
46	Tunisia	1	0.1%
47	Uganda	1	0.1%