Rank	Countries/Territories	Count	Percent
1	United States	409	34.7%
2	China	388	32.9%
3	Germany	46	3.9%
4	Iran, Islamic Republic of	42	3.6%
5	Canada	41	3.5%
6	Ireland	25	2.1%
7	Australia	20	1.7%
8	Israel	19	1.6%
9	Netherlands	18	1.5%
10	Japan	17	1.4%
11	United Kingdom	16	1.4%
12	Singapore	13	1.1%
13	France	10	0.8%
14	Brazil	10	0.8%
15	Italy	9	0.8%
16	Spain	9	0.8%
17	Korea, Republic of	8	0.7%
18	Turkey	7	0.6%
19	Denmark	6	0.5%
20	Egypt	6	0.5%
21	Belgium	6	0.5%
22	Russia	6	0.5%
23	Cyprus	5	0.4%
24	Sweden	5	0.4%
25	Poland	4	0.3%
26	Hong Kong	4	0.3%
27	Mexico	4	0.3%
28	New Zealand	3	0.3%
29	India	3	0.3%
30	Indonesia	3	0.3%
31	Lithuania	3	0.3%
32	Romania	3	0.3%
33	Ukraine	2	0.2%
34	Ghana	2	0.2%
35	Chile	1	0.1%
36	Austria	1	0.1%
37	United Arab Emirates	1	0.1%
38	Switzerland	1	0.1%
39	Taiwan	1	0.1%
40	Norway	1	0.1%
41	Viet Nam	1	0.1%