Rank	Countries/Territories	Count	Percent
1	United States	511	37.1%
2	China	347	25.2%
3	Germany	99	7.2%
4	India	99	7.2%
5	Latvia	44	3.2%
6	Netherlands	42	3.1%
7	France	40	2.9%
8	Ireland	34	2.5%
9	Japan	18	1.3%
10	Singapore	18	1.3%
11	Mongolia	12	0.9%
12	Mexico	10	0.7%
13	Russia	10	0.7%
14	Cyprus	10	0.7%
15	Australia	10	0.7%
16	Senegal	8	0.6%
17	United Kingdom	6	0.4%
18	Korea, Republic of	6	0.4%
19	Hong Kong	5	0.4%
20	Angola	4	0.3%
21	Argentina	4	0.3%
22	Egypt	4	0.3%
23	Spain	4	0.3%
24	Ukraine	4	0.3%
25	Taiwan	4	0.3%
26	Canada	3	0.2%
27	Iran, Islamic Republic of	2	0.1%
28	Estonia	2	0.1%
29	Sweden	2	0.1%
30	Norway	2	0.1%
31	Turkey	2	0.1%
32	Romania	1	0.1%
33	New Zealand	1	0.1%
34	Nepal	1	0.1%
35	Kenya	1	0.1%
36	Italy	1	0.1%
37	Ethiopia	1	0.1%
38	Bangladesh	1	0.1%
39	Iraq	1	0.1%
40	Hungary	1	0.1%
41	Greece	1	0.1%