Rank	Countries/Territories	Count	Percent
1	United States	755	45.2%
2	China	289	17.3%
3	Germany	276	16.5%
4	Russia	56	3.4%
5	France	46	2.8%
6	Japan	26	1.6%
7	United Kingdom	23	1.4%
8	Italy	20	1.2%
9	Canada	19	1.1%
10	Australia	18	1.1%
11	Netherlands	15	0.9%
12	Norway	11	0.7%
13	Sweden	11	0.7%
14	Singapore	10	0.6%
15	Ireland	9	0.5%
16	Cyprus	8	0.5%
17	India	7	0.4%
18	Brazil	5	0.3%
19	Romania	5	0.3%
20	Mexico	5	0.3%
21	Argentina	4	0.2%
22	Israel	4	0.2%
23	Taiwan	4	0.2%
24	Ukraine	4	0.2%
25	Turkey	3	0.2%
26	Belgium	3	0.2%
27	Mauritius	3	0.2%
28	South Africa	3	0.2%
29	Spain	3	0.2%
30	Portugal	2	0.1%
31	Malaysia	2	0.1%
32	Mongolia	2	0.1%
33	Latvia	2	0.1%
34	Bulgaria	2	0.1%
35	Finland	2	0.1%
36	Iran, Islamic Republic of	2	0.1%
37	Greece	2	0.1%
38	Thailand	2	0.1%
39	Switzerland	2	0.1%
40	Hong Kong	1	0.1%
41	Luxembourg	1	0.1%
42	Korea, Republic of	1	0.1%
43	Poland	1	0.1%