Rank	Countries/Territories	Count	Percent
1	United States	509	39%
2	China	433	33.2%
3	Germany	129	9.9%
4	India	36	2.8%
5	United Kingdom	30	2.3%
6	Japan	28	2.1%
7	France	26	2%
8	Russia	17	1.3%
9	Senegal	8	0.6%
10	Netherlands	8	0.6%
11	Canada	7	0.5%
12	Cyprus	7	0.5%
13	Hong Kong	6	0.5%
14	Turkey	6	0.5%
15	Singapore	5	0.4%
16	Pakistan	5	0.4%
17		5	0.4%
18	Australia	4	0.3%
19	Egypt	4	0.3%
20	Palestine, State of	4	0.3%
21	Latvia	4	0.3%
22	Ireland	3	0.2%
23	Italy	3	0.2%
24	Colombia	2	0.2%
25	Bangladesh	2	0.2%
26	Philippines	2	0.2%
27	Taiwan	2	0.2%
28	Ukraine	1	0.1%
29	Spain	1	0.1%
30	Sweden	1	0.1%
31	Serbia	1	0.1%
32	Romania	1	0.1%
33	Lithuania	1	0.1%
34	Mexico	1	0.1%
35	Norway	1	0.1%
36	Bulgaria	1	0.1%
37	Argentina	1	0.1%
38	Korea, Republic of	1	0.1%