Rank	Countries/Territories	Count	Percent
1	United States	547	39.3%
2	China	446	32.1%
3	Germany	160	11.5%
4	France	38	2.7%
5	Russia	27	1.9%
6	Japan	25	1.8%
7	Canada	18	1.3%
8	Netherlands	17	1.2%
9	Korea, Republic of	15	1.1%
10	Cyprus	12	0.9%
11	India	11	0.8%
12	Ukraine	11	0.8%
13	Ireland	9	0.6%
14	Singapore	6	0.4%
15	Taiwan	5	0.4%
16	Iran, Islamic Republic of	4	0.3%
17	Denmark	4	0.3%
18	Australia	3	0.2%
19	Finland	3	0.2%
20	Mexico	3	0.2%
21	Spain	3	0.2%
22	Poland	3	0.2%
23	Portugal	3	0.2%
24	Latvia	2	0.1%
25	Lebanon	2	0.1%
26	Serbia	2	0.1%
27	Argentina	2	0.1%
28	Bangladesh	2	0.1%
29	Belgium	1	0.1%
30	Brazil	1	0.1%
31	Egypt	1	0.1%
32	Italy	1	0.1%
33	Switzerland	1	0.1%
34	Malaysia	1	0.1%
35	Romania	1	0.1%
36	Norway	1	0.1%