Rank	Countries/Territories	Count	Percent
1	United States	509	39.6%
2	China	318	24.7%
3	India	98	7.6%
4	Germany	87	6.8%
5	Latvia	44	3.4%
6	Netherlands	40	3.1%
7	France	37	2.9%
8	Ireland	18	1.4%
9	Singapore	14	1.1%
10	Mongolia	12	0.9%
11	Cyprus	10	0.8%
12	Australia	9	0.7%
13	Japan	9	0.7%
14	Senegal	8	0.6%
15	Russia	6	0.5%
16	Korea, Republic of	6	0.5%
17	United Kingdom	6	0.5%
18	Ukraine	4	0.3%
19	Taiwan	4	0.3%
20	Hong Kong	4	0.3%
21	Mexico	4	0.3%
22	Spain	4	0.3%
23	Angola	4	0.3%
24	Argentina	4	0.3%
25	Egypt	4	0.3%
26	Canada	3	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Estonia	2	0.2%
29	Sweden	2	0.2%
30	Norway	2	0.2%
31	Turkey	2	0.2%
32	Romania	1	0.1%
33	New Zealand	1	0.1%
34	Nepal	1	0.1%
35	Kenya	1	0.1%
36	Ethiopia	1	0.1%
37	Bangladesh	1	0.1%
38	Iraq	1	0.1%
39	Italy	1	0.1%
40	Greece	1	0.1%