Rank	Countries/Territories	Count	Percent
1	United States	569	40.8%
2	China	247	17.7%
3	Germany	97	7%
4	India	60	4.3%
5	Iran, Islamic Republic of	45	3.2%
6	United Kingdom	31	2.2%
7	Ethiopia	27	1.9%
8	Denmark	21	1.5%
9	Italy	20	1.4%
10	Netherlands	18	1.3%
11	Hong Kong	18	1.3%
12	Singapore	15	1.1%
13	Canada	13	0.9%
14	Korea, Republic of	13	0.9%
15	Nigeria	12	0.9%
16	South Africa	11	0.8%
17	Australia	11	0.8%
18	Colombia	9	0.6%
19	Greece	9	0.6%
20	Peru	9	0.6%
21	Switzerland	8	0.6%
22	Ukraine	8	0.6%
23	Indonesia	8	0.6%
24	France	8	0.6%
25	Japan	8	0.6%
26	Kenya	7	0.5%
27	Ghana	7	0.5%
28	Cyprus	7	0.5%
29	Tanzania, United Republic of	7	0.5%
30	Spain	6	0.4%
31	Poland	5	0.4%
32	Romania	4	0.3%
33	Philippines	4	0.3%
34	Taiwan	4	0.3%
35	Pakistan	4	0.3%
36	Malawi	4	0.3%
37	Israel	3	0.2%
38	New Zealand	3	0.2%
39	Nepal	3	0.2%
40	Sweden	3	0.2%
41	Turkey	3	0.2%
42	Uganda	2	0.1%
43	Thailand	2	0.1%
44	Russia	2	0.1%
45	Morocco	2	0.1%
46	Mexico	2	0.1%
47	Moldova, Republic of	2	0.1%
48	Malaysia	2	0.1%
49	Jordan	2	0.1%
50	Ireland	1	0.1%
51	Mauritius	1	0.1%
52	Mongolia	1	0.1%
53	Ecuador	1	0.1%
54	Belgium	1	0.1%
55	Argentina	1	0.1%
56	Slovakia	1	0.1%
57	Norway	1	0.1%