Rank	Countries/Territories	Count	Percent
1	United States	497	39.2%
2	China	230	18.2%
3	United Kingdom	163	12.9%
4	Germany	137	10.8%
5	Russia	23	1.8%
6	France	22	1.7%
7	India	18	1.4%
8	Australia	17	1.3%
9	Japan	17	1.3%
10	Netherlands	17	1.3%
11	Korea, Republic of	15	1.2%
12	Ukraine	14	1.1%
13	Cyprus	12	0.9%
14	Canada	10	0.8%
15	Czech Republic	9	0.7%
16	Denmark	7	0.6%
17	Spain	5	0.4%
18	Singapore	4	0.3%
19	Romania	4	0.3%
20	Ireland	4	0.3%
21	Brazil	4	0.3%
22	Chile	4	0.3%
23	Iran, Islamic Republic of	4	0.3%
24	Hong Kong	3	0.2%
25	Argentina	3	0.2%
26	Turkey	3	0.2%
27	Sri Lanka	3	0.2%
28	Switzerland	2	0.2%
29	Taiwan	2	0.2%
30	Italy	2	0.2%
31	Norway	2	0.2%
32	Poland	2	0.2%
33	Mexico	2	0.2%
34	Bulgaria	2	0.2%
35	Bangladesh	1	0.1%
36	Iraq	1	0.1%
37	Mongolia	1	0.1%
38	Vanuatu	1	0.1%