| 2013-14 | 44 | 38 | 0.537 |
| 2012-13 | 29 | 53 | 0.354 |
| 2011-12 | 20 | 46 | 0.303 |
| 2010-11 | 23 | 59 | 0.280 |
| 2009-10 | 26 | 56 | 0.317 |
| 2008-09 | 19 | 63 | 0.232 |
| 2007-08 | 43 | 39 | 0.524 |
| 2006-07 | 41 | 41 | 0.500 |
| 2005-06 | 42 | 40 | 0.512 |
| 2004-05 | 45 | 37 | 0.549 |
| 2003-04 | 25 | 57 | 0.305 |
| 2002-03 | 37 | 45 | 0.451 |
| 2001-02 | 37 | 45 | 0.451 |
| 2000-01 | 19 | 63 | 0.232 |
| 1999-00 | 29 | 53 | 0.354 |
| 1998-99 | 18 | 32 | 0.360 |
| 1997-98 | 42 | 40 | 0.512 |
| 1996-97 | 44 | 38 | 0.537 |
| 1995-96 | 39 | 43 | 0.476 |
| 1994-95 | 21 | 61 | 0.256 |
| 1993-94 | 24 | 58 | 0.293 |
| 1992-93 | 22 | 60 | 0.268 |
| 1991-92 | 25 | 57 | 0.305 |
| 1990-91 | 30 | 52 | 0.366 |
| 1989-90 | 31 | 51 | 0.378 |
| 1988-89 | 40 | 42 | 0.488 |
| 1987-88 | 38 | 44 | 0.463 |
| 1986-87 | 42 | 40 | 0.512 |
| 1985-86 | 39 | 43 | 0.476 |
| 1984-85 | 40 | 42 | 0.488 |
| 1983-84 | 35 | 47 | 0.427 |
| 1982-83 | 42 | 40 | 0.512 |
| 1981-82 | 43 | 39 | 0.524 |
| 1980-81 | 39 | 43 | 0.476 |
| 1979-80 | 39 | 43 | 0.476 |
| 1978-79 | 54 | 28 | 0.659 |
| 1977-78 | 44 | 38 | 0.537 |
| 1976-77 | 48 | 34 | 0.585 |
| 1975-76 | 48 | 34 | 0.585 |
| 1974-75 | 60 | 22 | 0.732 |
| 1973-74 | 47 | 35 | 0.573 |
| 1972-73 | 52 | 30 | 0.634 |
| 1971-72 | 38 | 44 | 0.463 |
| 1970-71 | 42 | 40 | 0.512 |
| 1969-70 | 50 | 32 | 0.610 |
| 1968-69 | 57 | 25 | 0.695 |
| 1967-68 | 36 | 46 | 0.439 |
| 1966-67 | 20 | 61 | 0.247 |
| 1965-66 | 38 | 42 | 0.475 |
| 1964-65 | 37 | 43 | 0.463 |
| 1963-64 | 31 | 49 | 0.388 |
| 1962-63 | 25 | 55 | 0.313 |
| 1961-62 | 18 | 62 | 0.225 |