Rank	Countries/Territories	Count	Percent
1	United States	506	39.1%
2	China	312	24.1%
3	Germany	177	13.7%
4	United Kingdom	41	3.2%
5	France	34	2.6%
6	Iran, Islamic Republic of	29	2.2%
7	Russia	24	1.9%
8		22	1.7%
9	Netherlands	18	1.4%
10	Turkey	13	1%
11	Japan	11	0.9%
12	Spain	10	0.8%
13	Singapore	9	0.7%
14	Cyprus	8	0.6%
15	Canada	7	0.5%
16	Lithuania	6	0.5%
17	Korea, Republic of	5	0.4%
18	Hong Kong	5	0.4%
19	Bangladesh	5	0.4%
20	Bulgaria	5	0.4%
21	Australia	4	0.3%
22	India	4	0.3%
23	Poland	4	0.3%
24	Romania	4	0.3%
25	Italy	3	0.2%
26	Ukraine	2	0.2%
27	Slovakia	2	0.2%
28	Oman	2	0.2%
29	Indonesia	2	0.2%
30	Iraq	2	0.2%
31	Latvia	2	0.2%
32	Ethiopia	2	0.2%
33	Ghana	2	0.2%
34	Denmark	2	0.2%
35	Egypt	1	0.1%
36	Argentina	1	0.1%
37	Guatemala	1	0.1%
38	Iceland	1	0.1%
39	Jordan	1	0.1%
40	Ireland	1	0.1%
41	Nepal	1	0.1%
42	Sweden	1	0.1%
43	Tunisia	1	0.1%
44	Uganda	1	0.1%