1947, 1949, 1950, 1951, 1954, 1955, 1956, 1959, 1962, 1964, 1965, 1966, 1967, 1968, 1972, 1974, 1981, 1985, 1986, 1987, 1991, 1993, 1994, 1995, 2000, 2001, 2004, 2006