| # | Tier | Division | G | W | D | L | GF | GA | Pts | +- | ||
| 1989-90 | English Division One | 38 | 5 | 11 | 22 | 39 | 65 | 26 | -26 | Relegated | ||
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| 1992-93 | English Championship | 46 | 18 | 16 | 12 | 65 | 53 | 70 | 12 | |||
| 1993-94 | English Championship | 46 | 19 | 17 | 10 | 58 | 49 | 74 | 9 | |||
| 1994-95 | English Championship | 46 | 16 | 14 | 16 | 60 | 60 | 62 | 0 | |||
| 1995-96 | English Championship | 46 | 13 | 13 | 20 | 43 | 63 | 52 | -20 | Relegated | ||
| 1996-97 | English League One | 46 | 16 | 13 | 17 | 50 | 55 | 61 | -5 | |||
| 1997-98 | English League One | 46 | 14 | 13 | 19 | 43 | 54 | 55 | -11 | |||
| 1998-99 | English League One | 46 | 17 | 11 | 18 | 52 | 59 | 62 | -7 | |||
| 1999-00 | English League One | 46 | 23 | 13 | 10 | 76 | 50 | 82 | 26 | |||
| 2000-01 | English League One | 46 | 28 | 9 | 9 | 89 | 38 | 93 | 51 | Promoted | ||
| 2001-02 | English Championship | 46 | 22 | 11 | 13 | 69 | 48 | 77 | 21 | |||
| 2002-03 | English Championship | 46 | 19 | 9 | 18 | 59 | 69 | 66 | -10 | |||
| 2003-04 | English Championship | 46 | 18 | 15 | 13 | 55 | 48 | 69 | 7 | |||
| 2004-05 | English Championship | 46 | 18 | 12 | 16 | 51 | 45 | 66 | 6 | |||
| 2005-06 | English Championship | 46 | 8 | 16 | 22 | 35 | 62 | 40 | -27 | Relegated | ||
| 2006-07 | English League One | 46 | 19 | 9 | 18 | 59 | 62 | 66 | -3 | |||
| 2007-08 | English League One | 46 | 14 | 10 | 22 | 45 | 60 | 52 | -15 | |||
| 2008-09 | English League One | 46 | 25 | 7 | 14 | 63 | 53 | 82 | 10 | |||
| 2009-10 | English League One | 46 | 24 | 13 | 9 | 76 | 44 | 85 | 32 | Promoted | ||
| 2010-11 | English Championship | 46 | 18 | 13 | 15 | 62 | 48 | 67 | 14 | |||
| 2011-12 | English Championship | 46 | 15 | 12 | 19 | 55 | 57 | 57 | -2 | |||
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