date posting-rate spam-rate
20020627 1 0
20020715 2 0
20020716 2 0
20020927 1 0
20021126 1 0
20030110 3 0
20030211 1 0
20040507 2 0
20040508 1 0
20040630 2 0
20050302 2 0
20050403 1 0
20050404 1 0
20050709 1 0
20090924 2 0
20091023 4 0
20091211 1 0