What happened to Australian inflation in 2022? Compare movements in the headline and trimmed mean inflation over 2022, what does this tell you about the underlying trends for inflation?

100 140 120 40 80 20 60 0 Sep-1972 Dec-1973 Mar-1975 Jun-1976 Sep-1977 Dec-1978 Mar-1980 Jun-1981 Sep-1982 Dec-1983 Mar-1985 Jun-1986 Sep-1987 Dec-1988 Mar-1990 Jun-1991 Sep-1992 Dec-1993 Mar-1995 Jun-1996 Headline inflation Sep-1997 Dec-1998 Mar-2000 Jun-2001 Sep-2002 Dec-2003 Mar-2005 Jun-2006 Sep-2007 Dec-2008 Mar-2010 Jun-2011 Sep-2012 Dec-2013 Mar-2015 Jun-2016 Sep-2017 Dec-2018 Mar-2020 Jun-2021 Sep-2022140 120 100 20 40 80 60 0 Sep-1972 Nov-1 973 Jan-1975 Mar-1976 May-1977 Jul-1978 Sep-1979 Nov-1980 Jan-1982 Mar-1983 May-1984 Jul-1985 Sep-1986 Nov-1987 Jan-1989 Mar-1990 May-1991 Jul-1992 Sep-1993 Nov-1 994 Jan-1996 Mar-1997 Trimmed Mean Inflation May-1998 Jul-1999 Sep-2000 Nov-2 001 Jan-2003 Mar-2004 May-2005 Jul-2006 Sep-2007 Nov-2 008 Jan-2010 Mar-2011 May-2012 Jul-2013 Sep-2014 Nov-2 015 Jan-2017 Mar-2018 May-2019 Jul-2020 Sep-2021 Nov-2 022