Rank	Countries/Territories	Count	Percent
1	United States	496	42.8%
2	China	230	19.9%
3	Germany	80	6.9%
4	United Kingdom	64	5.5%
5	Russia	43	3.7%
6	Japan	34	2.9%
7	Sweden	27	2.3%
8	Denmark	19	1.6%
9	Netherlands	18	1.6%
10	France	15	1.3%
11	Ireland	14	1.2%
12	India	12	1%
13	Spain	12	1%
14	Norway	11	0.9%
15	Taiwan	10	0.9%
16	Canada	8	0.7%
17	Singapore	7	0.6%
18	Korea, Republic of	6	0.5%
19	Cyprus	6	0.5%
20	Finland	4	0.3%
21	Argentina	4	0.3%
22	Ukraine	4	0.3%
23	Austria	3	0.3%
24	Hong Kong	3	0.3%
25	Israel	3	0.3%
26	Iceland	2	0.2%
27	Romania	2	0.2%
28	Slovenia	2	0.2%
29	South Africa	2	0.2%
30	Latvia	2	0.2%
31	Malaysia	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Australia	2	0.2%
34	Bulgaria	1	0.1%
35	Czech Republic	1	0.1%
36	Hungary	1	0.1%
37	Guernsey	1	0.1%
38	Mauritius	1	0.1%
39	Panama	1	0.1%
40	Poland	1	0.1%
41	Qatar	1	0.1%
42	Saudi Arabia	1	0.1%