NFL: How Have Teams With First Round BYEs Faired

[Aftermath]

Am I just retarded or are some of these numbers not adding up?

Patriots - 8, 6-1
Steelers - 8, 7-1
49ers - 8, 6-1
Broncos - 5, 3-1
Cowboys - 5, 4-1
Colts - 4, 1-3
Packers - 4, 3-1
Bears - 4, 2-2
Falcons - 4, 2-1
Titans/Oilers - 4, 1-3
Bills - 3, 3-0
Chargers - 3,1-2
Chiefs - 3, 0-3
Raiders - 3, 3-0
Giants - 3, 2-1
Eagles - 3, 3-0
Vikings - 3, 3-0
Rams - 3, 2-1
Ravens - 2, 1-1
Panthers - 2, 1-1
Saints - 2, 2-0
Buccaneers - 2, 2-0
Jets - 1, 1-0
Dolphins - 1, 1-0
Jaguars - 1, 1-0
Redskins - 1, 1-0
Lions - 1, 1-0
Seahawks - 1, 1-0
Browns - 0
Bengals - 0
Texans - 0
Cardinals - 0