Rank	Countries/Territories	Count	Percent
1	United States	477	39.9%
2	China	310	26%
3	Germany	146	12.2%
4	France	22	1.8%
5	Ireland	18	1.5%
6	Cyprus	15	1.3%
7	United Kingdom	15	1.3%
8	Canada	14	1.2%
9	Brazil	13	1.1%
10	Russia	13	1.1%
11	Netherlands	13	1.1%
12	Nigeria	12	1%
13	Japan	11	0.9%
14	India	11	0.9%
15	Korea, Republic of	10	0.8%
16	Hong Kong	9	0.8%
17	Australia	8	0.7%
18	Singapore	8	0.7%
19	Sri Lanka	7	0.6%
20		6	0.5%
21	Ukraine	5	0.4%
22	Italy	4	0.3%
23	Bulgaria	4	0.3%
24	Ethiopia	4	0.3%
25	Indonesia	3	0.3%
26	Iran, Islamic Republic of	3	0.3%
27	Greece	3	0.3%
28	Turkey	3	0.3%
29	Sweden	3	0.3%
30	Latvia	3	0.3%
31	Norway	3	0.3%
32	Poland	2	0.2%
33	Portugal	2	0.2%
34	Malaysia	2	0.2%
35	Taiwan	2	0.2%
36	Spain	2	0.2%
37	Georgia	2	0.2%
38	Bangladesh	2	0.2%
39	Egypt	1	0.1%
40	Romania	1	0.1%
41	Viet Nam	1	0.1%
42	Zambia	1	0.1%