Rank	Countries/Territories	Count	Percent
1	United States	319	36.9%
2	China	225	26%
3	Germany	118	13.7%
4	United Kingdom	37	4.3%
5	Russia	23	2.7%
6	France	21	2.4%
7	Netherlands	14	1.6%
8	Spain	10	1.2%
9	Turkey	10	1.2%
10	Japan	9	1%
11	Iran, Islamic Republic of	9	1%
12	Singapore	6	0.7%
13	Hong Kong	5	0.6%
14	India	4	0.5%
15	Cyprus	4	0.5%
16	Australia	4	0.5%
17	Canada	4	0.5%
18	Poland	4	0.5%
19	Romania	4	0.5%
20	Lithuania	4	0.5%
21	Bulgaria	3	0.3%
22	Italy	3	0.3%
23	Indonesia	2	0.2%
24	Bangladesh	2	0.2%
25	Denmark	2	0.2%
26	Oman	2	0.2%
27	Korea, Republic of	2	0.2%
28	Latvia	2	0.2%
29	Slovakia	2	0.2%
30	Ukraine	2	0.2%
31	Uganda	1	0.1%
32	Sweden	1	0.1%
33	Tunisia	1	0.1%
34	Jordan	1	0.1%
35	Nepal	1	0.1%
36	Egypt	1	0.1%
37	Iceland	1	0.1%
38	Ireland	1	0.1%