Rank	Countries/Territories	Count	Percent
1	United States	405	22.8%
2	China	333	18.7%
3	Germany	190	10.7%
4	United Kingdom	106	6%
5	India	99	5.6%
6	Netherlands	71	4%
7	Ireland	58	3.3%
8	Australia	51	2.9%
9	Pakistan	42	2.4%
10	Japan	31	1.7%
11	South Africa	29	1.6%
12	Nigeria	25	1.4%
13	Indonesia	25	1.4%
14	Korea, Republic of	20	1.1%
15	France	18	1%
16	Sweden	18	1%
17	Turkey	18	1%
18	Iran, Islamic Republic of	17	1%
19	Canada	13	0.7%
20	Philippines	13	0.7%
21	Chile	12	0.7%
22	Ghana	11	0.6%
23	Malaysia	11	0.6%
24	Russia	11	0.6%
25	Niger	9	0.5%
26	Singapore	9	0.5%
27	Hong Kong	9	0.5%
28	Egypt	9	0.5%
29	Ethiopia	9	0.5%
30	Mexico	8	0.4%
31	Brazil	7	0.4%
32	Denmark	6	0.3%
33	Iraq	6	0.3%
34	Italy	6	0.3%
35	Malawi	5	0.3%
36	Romania	5	0.3%
37	Saudi Arabia	4	0.2%
38	Sri Lanka	4	0.2%
39	Viet Nam	4	0.2%
40	Thailand	3	0.2%
41	Ukraine	3	0.2%
42	Syrian Arab Republic	3	0.2%
43	Portugal	3	0.2%
44	Montenegro	3	0.2%
45	New Zealand	3	0.2%
46	Kenya	3	0.2%
47	Mauritius	3	0.2%
48	Israel	3	0.2%
49	Bangladesh	3	0.2%
50	Argentina	2	0.1%
51	Cyprus	2	0.1%
52	Jordan	2	0.1%
53	Kazakhstan	2	0.1%
54	Morocco	2	0.1%
55	Taiwan	2	0.1%
56	Switzerland	1	0.1%
57	Zambia	1	0.1%
58	Paraguay	1	0.1%
59	Spain	1	0.1%
60	Libya	1	0.1%
61	Algeria	1	0.1%
62	Austria	1	0.1%
63	Belgium	1	0.1%
64	Benin	1	0.1%
65	Bulgaria	1	0.1%