Rank	Countries/Territories	Count	Percent
1	United States	599	46%
2	China	253	19.4%
3	Germany	128	9.8%
4	France	45	3.5%
5	United Kingdom	36	2.8%
6	India	31	2.4%
7	Australia	31	2.4%
8	Netherlands	27	2.1%
9	Canada	20	1.5%
10	Japan	14	1.1%
11	Ireland	10	0.8%
12	Italy	10	0.8%
13	Cyprus	10	0.8%
14	Czech Republic	8	0.6%
15	Taiwan	6	0.5%
16	Singapore	6	0.5%
17	Hong Kong	5	0.4%
18	Russia	5	0.4%
19	Egypt	5	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	Iraq	4	0.3%
22	South Africa	4	0.3%
23	Korea, Republic of	4	0.3%
24	Nigeria	4	0.3%
25	Poland	4	0.3%
26	Romania	3	0.2%
27	Ukraine	3	0.2%
28	Ghana	3	0.2%
29	Brazil	3	0.2%
30	Argentina	2	0.2%
31	Austria	2	0.2%
32	Belgium	2	0.2%
33	Ethiopia	2	0.2%
34	Spain	2	0.2%
35	Norway	2	0.2%
36	Portugal	1	0.1%
37	Luxembourg	1	0.1%
38	Malaysia	1	0.1%
39	Mongolia	1	0.1%