date posting-rate spam-rate
20030619 1 0
20030724 2 0
20030725 1 0
20030819 4 0
20040127 2 0
20040318 2 0
20040614 1 1
20040624 1 0
20040625 1 0
20040821 2 0
20040831 1 0
20040927 1 1
20050515 1 0
20050706 4 0
20050707 1 0
20070220 1 1