Rank	Countries/Territories	Count	Percent
1	United States	407	36.2%
2	China	274	24.4%
3	Germany	126	11.2%
4	Afghanistan	88	7.8%
5	Japan	36	3.2%
6	Israel	31	2.8%
7	India	25	2.2%
8	Russia	19	1.7%
9	Korea, Republic of	17	1.5%
10	Hong Kong	14	1.2%
11	Singapore	11	1%
12	Canada	10	0.9%
13	France	9	0.8%
14	Netherlands	9	0.8%
15	United Kingdom	8	0.7%
16	Australia	7	0.6%
17	Cote D'ivoire	4	0.4%
18	South Africa	4	0.4%
19	Nigeria	4	0.4%
20	Sweden	3	0.3%
21	Spain	2	0.2%
22	Austria	2	0.2%
23	Bangladesh	2	0.2%
24	Honduras	2	0.2%
25	Ireland	1	0.1%
26	Italy	1	0.1%
27	Bulgaria	1	0.1%
28	Cyprus	1	0.1%
29	Argentina	1	0.1%
30	Slovakia	1	0.1%
31	Ukraine	1	0.1%
32	Pakistan	1	0.1%
33	Saudi Arabia	1	0.1%
34	Kyrgyzstan	1	0.1%
35	Latvia	1	0.1%