Rank	Countries/Territories	Count	Percent
1	United States	332	36.9%
2	China	232	25.8%
3	Germany	129	14.3%
4	United Kingdom	39	4.3%
5	Russia	23	2.6%
6	France	21	2.3%
7	Netherlands	15	1.7%
8	Spain	10	1.1%
9	Turkey	10	1.1%
10	Japan	9	1%
11	Iran, Islamic Republic of	9	1%
12	Singapore	6	0.7%
13	Hong Kong	5	0.6%
14	Cyprus	5	0.6%
15	Australia	4	0.4%
16	Canada	4	0.4%
17	India	4	0.4%
18	Poland	4	0.4%
19	Romania	4	0.4%
20	Lithuania	4	0.4%
21	Italy	3	0.3%
22	Bulgaria	3	0.3%
23	Bangladesh	2	0.2%
24	Denmark	2	0.2%
25	Indonesia	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	Iceland	1	0.1%
37	Ireland	1	0.1%
38	Egypt	1	0.1%