| 2013-14 | 48 | 34 | 0.585 |
| 2012-13 | 45 | 37 | 0.549 |
| 2011-12 | 50 | 16 | 0.758 |
| 2010-11 | 62 | 20 | 0.756 |
| 2009-10 | 41 | 41 | 0.500 |
| 2008-09 | 41 | 41 | 0.500 |
| 2007-08 | 33 | 49 | 0.402 |
| 2006-07 | 49 | 33 | 0.598 |
| 2005-06 | 41 | 41 | 0.500 |
| 2004-05 | 47 | 35 | 0.573 |
| 2003-04 | 23 | 59 | 0.280 |
| 2002-03 | 30 | 52 | 0.365 |
| 2001-02 | 21 | 61 | 0.256 |
| 2000-01 | 15 | 67 | 0.183 |
| 1999-00 | 17 | 65 | 0.207 |
| 1998-99 | 13 | 37 | 0.260 |
| 1997-98 | 62 | 20 | 0.756 |
| 1996-97 | 69 | 13 | 0.841 |
| 1995-96 | 72 | 10 | 0.878 |
| 1994-95 | 47 | 35 | 0.573 |
| 1993-94 | 55 | 27 | 0.671 |
| 1992-93 | 57 | 25 | 0.695 |
| 1991-92 | 67 | 15 | 0.817 |
| 1990-91 | 61 | 21 | 0.744 |
| 1989-90 | 55 | 27 | 0.671 |
| 1988-89 | 47 | 35 | 0.573 |
| 1987-88 | 50 | 32 | 0.610 |
| 1986-87 | 40 | 42 | 0.488 |
| 1985-86 | 30 | 52 | 0.366 |
| 1984-85 | 38 | 44 | 0.463 |
| 1983-84 | 27 | 55 | 0.329 |
| 1982-83 | 28 | 54 | 0.341 |
| 1981-82 | 34 | 48 | 0.415 |
| 1980-81 | 45 | 37 | 0.549 |
| 1979-80 | 30 | 52 | 0.366 |
| 1978-79 | 31 | 51 | 0.378 |
| 1977-78 | 40 | 42 | 0.488 |
| 1976-77 | 44 | 38 | 0.537 |
| 1975-76 | 24 | 58 | 0.293 |
| 1974-75 | 47 | 35 | 0.573 |
| 1973-74 | 54 | 28 | 0.659 |
| 1972-73 | 51 | 31 | 0.622 |
| 1971-72 | 57 | 25 | 0.695 |
| 1970-71 | 51 | 31 | 0.622 |
| 1969-70 | 39 | 43 | 0.476 |
| 1968-69 | 33 | 49 | 0.402 |
| 1967-68 | 29 | 53 | 0.354 |
| 1966-67 | 33 | 48 | 0.407 |