Rank	Countries/Territories	Count	Percent
1	United States	497	43.3%
2	China	277	24.1%
3	Germany	118	10.3%
4	Ireland	39	3.4%
5	Korea, Republic of	24	2.1%
6	Iran, Islamic Republic of	24	2.1%
7	United Kingdom	17	1.5%
8	Russia	14	1.2%
9	Japan	13	1.1%
10	Netherlands	11	1%
11	Romania	10	0.9%
12	Canada	10	0.9%
13	Australia	9	0.8%
14	Cyprus	8	0.7%
15	France	8	0.7%
16	India	7	0.6%
17	Singapore	6	0.5%
18	Turkey	6	0.5%
19	Italy	5	0.4%
20	Hong Kong	5	0.4%
21	Denmark	5	0.4%
22	Malaysia	4	0.3%
23	Mongolia	4	0.3%
24	Taiwan	4	0.3%
25	Argentina	3	0.3%
26	Czech Republic	2	0.2%
27	Belgium	2	0.2%
28	Bosnia and Herzegovina	2	0.2%
29	Bulgaria	2	0.2%
30	Finland	2	0.2%
31	Philippines	2	0.2%
32	Israel	2	0.2%
33	Norway	1	0.1%
34	Pakistan	1	0.1%
35	Portugal	1	0.1%
36	Sweden	1	0.1%
37	Switzerland	1	0.1%
38	Georgia	1	0.1%