Rank	Countries/Territories	Count	Percent
1	United States	456	46.1%
2	China	173	17.5%
3	Germany	97	9.8%
4	Canada	42	4.2%
5	Japan	35	3.5%
6	United Kingdom	28	2.8%
7	India	24	2.4%
8	France	21	2.1%
9	Netherlands	15	1.5%
10	Ireland	13	1.3%
11	Australia	12	1.2%
12	Korea, Republic of	10	1%
13	Hong Kong	9	0.9%
14	Russia	6	0.6%
15	Spain	4	0.4%
16	Sweden	4	0.4%
17	Estonia	4	0.4%
18	Cyprus	4	0.4%
19	Greece	3	0.3%
20	Taiwan	3	0.3%
21	South Africa	3	0.3%
22	Israel	3	0.3%
23	Uganda	2	0.2%
24	Singapore	2	0.2%
25	Slovenia	2	0.2%
26	Denmark	2	0.2%
27	Ecuador	1	0.1%
28	Czech Republic	1	0.1%
29	Austria	1	0.1%
30	Argentina	1	0.1%
31	Faroe Islands	1	0.1%
32	Finland	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Turkey	1	0.1%
35	New Zealand	1	0.1%
36	Panama	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%