Rank	Countries/Territories	Count	Percent
1	United States	161	28.1%
2	China	144	25.2%
3	India	30	5.2%
4	Bulgaria	19	3.3%
5	Japan	19	3.3%
6	Netherlands	17	3%
7	France	15	2.6%
8	Iran, Islamic Republic of	14	2.4%
9	Turkey	14	2.4%
10	Egypt	13	2.3%
11	Korea, Republic of	13	2.3%
12	Italy	12	2.1%
13	Germany	12	2.1%
14	United Kingdom	11	1.9%
15	Canada	9	1.6%
16	Australia	7	1.2%
17	Ireland	5	0.9%
18	Morocco	5	0.9%
19	South Africa	5	0.9%
20	Malaysia	4	0.7%
21	Brazil	4	0.7%
22	Mexico	3	0.5%
23	Poland	3	0.5%
24	Singapore	3	0.5%
25	New Zealand	3	0.5%
26	Taiwan	3	0.5%
27	Slovenia	2	0.3%
28	Latvia	2	0.3%
29	Russia	2	0.3%
30	Czech Republic	2	0.3%
31	Hong Kong	2	0.3%
32	Indonesia	2	0.3%
33	Colombia	1	0.2%
34	Bangladesh	1	0.2%
35	Chile	1	0.2%
36	Slovakia	1	0.2%
37	Portugal	1	0.2%
38	Romania	1	0.2%
39	Lithuania	1	0.2%
40	Jordan	1	0.2%
41	Kenya	1	0.2%
42	Nigeria	1	0.2%
43	Norway	1	0.2%
44	Ukraine	1	0.2%