Were Australian 1 and 2 cent coins minted every year?

Australian 1 cent coins were minted for general circulation in every year from 1966 to 1990, except for 1986 when they were minted for "Mint Sets" only.

Australian 2 cent coins were minted for general circulation in every year from 1966 to 1989, except for 1986 and 1987 when they were minted for "Mint Sets" only.