Rank	Countries/Territories	Count	Percent
1	United States	421	33.4%
2	China	362	28.7%
3	United Kingdom	64	5.1%
4	Germany	56	4.4%
5	Brazil	38	3%
6	India	26	2.1%
7	Japan	23	1.8%
8	Netherlands	18	1.4%
9	Malaysia	16	1.3%
10	Ireland	15	1.2%
11	France	15	1.2%
12	Canada	12	1%
13	Singapore	12	1%
14	Switzerland	11	0.9%
15	Australia	11	0.9%
16	Nigeria	9	0.7%
17	Pakistan	9	0.7%
18	Iraq	9	0.7%
19	South Africa	9	0.7%
20	Ethiopia	8	0.6%
21	Egypt	7	0.6%
22	Cyprus	7	0.6%
23	Iran, Islamic Republic of	7	0.6%
24	Russia	7	0.6%
25	Slovenia	6	0.5%
26	Turkey	6	0.5%
27	Spain	5	0.4%
28	Thailand	5	0.4%
29	Syrian Arab Republic	5	0.4%
30	Korea, Republic of	5	0.4%
31	Denmark	5	0.4%
32	Ghana	5	0.4%
33	Hong Kong	5	0.4%
34	Indonesia	4	0.3%
35	Argentina	4	0.3%
36	Philippines	4	0.3%
37	Taiwan	4	0.3%
38	Zambia	4	0.3%
39	Sweden	3	0.2%
40	Mexico	3	0.2%
41	Latvia	2	0.2%
42	Guatemala	2	0.2%
43	Serbia	2	0.2%
44	Tanzania, United Republic of	1	0.1%
45	Suriname	1	0.1%
46	Uganda	1	0.1%
47	Ukraine	1	0.1%
48	Bangladesh	1	0.1%
49	Burkina Faso	1	0.1%
50	Mauritius	1	0.1%
51	Jordan	1	0.1%
52	Poland	1	0.1%
53	Romania	1	0.1%
54	Palestine, State of	1	0.1%