#!/usr/bin/awk -f

BEGIN { MINVALUE = 50; MAXVALUE = 60 }
{
    split($0,value," ")
    for (i in value) {
        split(value[i], cents, ".")
        centCount[cents[2]]++
    }
}
END { for (i = MINVALUE; i <= MAXVALUE; i++) print i,centCount[i] }