"count" "fpc" "stratum"
25 100 1
30 100 1
18 100 1
28 100 1
23 100 1
30 100 2
26 100 2
35 100 2
34 100 2
33 100 2
38 100 3
27 100 3
30 100 3
44 100 3
33 100 3
36 100 4
41 100 4
53 100 4
47 100 4
46 100 4