Rank	Countries/Territories	Count	Percent
1	United States	267	39.8%
2	China	190	28.3%
3	India	26	3.9%
4	Germany	19	2.8%
5	Canada	17	2.5%
6	Brazil	15	2.2%
7	Russia	15	2.2%
8	United Kingdom	15	2.2%
9		14	2.1%
10	Egypt	14	2.1%
11	Japan	12	1.8%
12	Netherlands	8	1.2%
13	Romania	8	1.2%
14	Australia	6	0.9%
15	Ireland	5	0.7%
16	Saudi Arabia	4	0.6%
17	Turkey	3	0.4%
18	Israel	3	0.4%
19	Indonesia	3	0.4%
20	France	2	0.3%
21	Greece	2	0.3%
22	Denmark	2	0.3%
23	Thailand	2	0.3%
24	Iceland	2	0.3%
25	Spain	2	0.3%
26	Sweden	2	0.3%
27	Singapore	2	0.3%
28	Kenya	2	0.3%
29	Mexico	2	0.3%
30	Philippines	1	0.1%
31	South Africa	1	0.1%
32	Tanzania, United Republic of	1	0.1%
33	Tunisia	1	0.1%
34	Chile	1	0.1%
35	Argentina	1	0.1%
36	Hong Kong	1	0.1%