Rank	Countries/Territories	Count	Percent
1	United States	291	33.3%
2	China	170	19.4%
3	Iran, Islamic Republic of	105	12%
4	India	70	8%
5	Germany	68	7.8%
6	Netherlands	29	3.3%
7	Japan	22	2.5%
8	Canada	17	1.9%
9	Ireland	13	1.5%
10	Hong Kong	9	1%
11	Korea, Republic of	9	1%
12	Russia	9	1%
13	Turkey	8	0.9%
14	Saudi Arabia	5	0.6%
15	Singapore	5	0.6%
16	South Africa	4	0.5%
17	France	4	0.5%
18	Czech Republic	4	0.5%
19	Egypt	3	0.3%
20	Uzbekistan	3	0.3%
21	Portugal	3	0.3%
22	Tajikistan	3	0.3%
23	Sri Lanka	2	0.2%
24	Algeria	2	0.2%
25	Azerbaijan	2	0.2%
26	Jordan	2	0.2%
27	Kazakhstan	2	0.2%
28	United Kingdom	2	0.2%
29	Italy	1	0.1%
30	Brazil	1	0.1%
31	Bulgaria	1	0.1%
32	Austria	1	0.1%
33	Cyprus	1	0.1%
34	Romania	1	0.1%
35	Ukraine	1	0.1%
36	Spain	1	0.1%
37	Nigeria	1	0.1%