Rank	Countries/Territories	Count	Percent
1	United States	378	34.7%
2	China	310	28.5%
3	United Kingdom	56	5.1%
4	Germany	54	5%
5	India	25	2.3%
6	Japan	21	1.9%
7	Netherlands	17	1.6%
8	Malaysia	15	1.4%
9	Ireland	13	1.2%
10	France	12	1.1%
11	Switzerland	11	1%
12	Singapore	10	0.9%
13	Brazil	9	0.8%
14	Iraq	9	0.8%
15	Pakistan	9	0.8%
16	Canada	8	0.7%
17	Ethiopia	8	0.7%
18	South Africa	8	0.7%
19	Egypt	7	0.6%
20	Cyprus	7	0.6%
21	Iran, Islamic Republic of	7	0.6%
22	Nigeria	6	0.6%
23	Australia	6	0.6%
24	Slovenia	6	0.6%
25	Spain	5	0.5%
26	Syrian Arab Republic	5	0.5%
27	Thailand	5	0.5%
28	Denmark	5	0.5%
29	Hong Kong	5	0.5%
30	Russia	5	0.5%
31	Korea, Republic of	5	0.5%
32	Philippines	4	0.4%
33	Ghana	4	0.4%
34	Zambia	4	0.4%
35	Mexico	3	0.3%
36	Sweden	3	0.3%
37	Turkey	3	0.3%
38	Argentina	3	0.3%
39	Guatemala	2	0.2%
40	Indonesia	2	0.2%
41	Serbia	2	0.2%
42	Poland	1	0.1%
43	Romania	1	0.1%
44	Palestine, State of	1	0.1%
45	Mauritius	1	0.1%
46	Jordan	1	0.1%
47	Bangladesh	1	0.1%
48	Burkina Faso	1	0.1%
49	Uganda	1	0.1%
50	Ukraine	1	0.1%
51	Taiwan	1	0.1%
52	Tanzania, United Republic of	1	0.1%
53	Suriname	1	0.1%