| Month/Year | Winner | Award |
| June, 1964 | |
| June, 1973 | |
| April, 1976 | |
| July, 1977 | |
| September, 1977 | |
| July, 1979 | |
| September, 1979 | |
| May, 1980 | |
| May, 1980 | |
| September, 1980 | |
| August, 1981 | |
| September, 1981 | |
| May, 1982 | |
| July, 1982 | |
| September, 1983 | |
| August, 1985 | |
| May, 1987 | |
| April, 1989 | |
| August, 1991 | |
| | Month/Year | Winner | Award |
| May, 1993 | |
| May, 1994 (co-winner) | |
| June, 1994 | |
| May, 1995 | |
| August, 1995 | |
| May, 1999 | |
| September, 2003 | |
| June, 2004 | |
| May, 2005 | |
| July, 2006 | |
| August, 2006 | |
| September, 2006 | |
| April, 2008 | |
| September, 2008 | |
| August, 2009 | |
| July, 2010 | |
| June, 2011 | |
| August, 2011 | |
|