#1965 | 0 |
#1966 | 3.45 |
#1967 | 4 |
#1968 | 3.4 |
#1969 | 4.25 |
#1970 | 0 |
#1971 | 0 |
#1972 | 3.55 |
#1973 | 4.06 |
#1974 | 4.43 |
#1975 | 4.07 |
#1976 | 3.42 |
#1977 | 0 |
#1978 | 0 |
#1979 | 3.98 |
#1980 | 0 |
#1981 | 0 |
#1982 | 4.67 |
#1983 | 4 |
#1984 | 0 |
#1985 | 3.51 |
#1986 | 4.17 |
#1987 | 3.95 |
#1988 | 0 |
#1989 | 4.45 |
#1990 | 4.13 |
#1991 | 4.25 |
#1992 | 4.17 |
#1993 | 4.29 |
#1994 | 3.6 |
#1995 | 3.94 |
#1996 | 5 |
#1997 | 4.33 |
#1998 | 3.77 |
#1999 | 3.56 |
#2000 | 3.82 |
#2001 | 4 |
#2002 | 0 |
#2003 | 4.4 |
#2004 | 3.95 |
#2005 | 3.75 |
#2006 | 4.5 |
#2007 | 3 |
#2008 | 4 |
#2009 | 4.12 |
#2010 | 4.23 |
#2011 | 4.03 |
#2012 | 3.88 |
#2013 | 5 |