Rank	Countries/Territories	Count	Percent
1	United States	438	42.3%
2	China	287	27.7%
3	India	56	5.4%
4	Germany	46	4.4%
5	Japan	13	1.3%
6	Saudi Arabia	13	1.3%
7	Iran, Islamic Republic of	12	1.2%
8	Australia	12	1.2%
9	Russia	10	1%
10	France	9	0.9%
11	Brazil	9	0.9%
12	Canada	8	0.8%
13	Israel	8	0.8%
14	Sweden	8	0.8%
15	Turkey	7	0.7%
16	Korea, Republic of	7	0.7%
17	Senegal	7	0.7%
18	Afghanistan	7	0.7%
19	Argentina	7	0.7%
20	Singapore	6	0.6%
21	Lebanon	5	0.5%
22	Slovenia	5	0.5%
23	South Africa	5	0.5%
24	Viet Nam	4	0.4%
25	Italy	4	0.4%
26	Colombia	4	0.4%
27	Czech Republic	3	0.3%
28	Egypt	3	0.3%
29	Netherlands	3	0.3%
30	Mexico	3	0.3%
31	Portugal	3	0.3%
32	United Kingdom	3	0.3%
33	Thailand	3	0.3%
34	Ireland	2	0.2%
35	Ethiopia	2	0.2%
36	Austria	2	0.2%
37	Hong Kong	2	0.2%
38	Iraq	1	0.1%
39	Ghana	1	0.1%
40	Greece	1	0.1%
41	Belgium	1	0.1%
42	Romania	1	0.1%
43	Slovakia	1	0.1%
44	Mongolia	1	0.1%
45	Poland	1	0.1%
46	Spain	1	0.1%