1966, 1969, 1972, 1982, 1987, 1988, 1991, 1993, 1996, 1997, 2008, 2012, 2013, 2015, 2016, 2019 1968, 1973, 1975, 1984, 1985, 1990, 2007, 2009, 2014 1976, 1977, 1978, 1979, 1980, 1983, 1995, 2010, 2020 1967, 1974, 1986, 1989, 1992, 1994, 1998, 2006 1970 1981 1971 2017 2018 