# source:  https://www.usinflationcalculator.com/inflation/historical-inflation-rates/
YEAR	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	AVE
1914	2.0	1.0	1.0	0.0	2.1	1.0	1.0	3.0	2.0	1.0	1.0	1.0	1.0
1915	1.0	1.0	0.0	2.0	2.0	2.0	1.0	-1.0	-1.0	1.0	1.0	2.0	1.0
1916	3.0	4.0	6.1	6.0	5.9	6.9	6.9	7.9	9.9	10.8	11.7	12.6	7.9
1917	12.5	15.4	14.3	18.9	19.6	20.4	18.5	19.3	19.8	19.5	17.4	18.1	17.4
1918	19.7	17.5	16.7	12.7	13.3	13.1	18.0	18.5	18.0	18.5	20.7	20.4	18.0
1919	17.9	14.9	17.1	17.6	16.6	15.0	15.2	14.9	13.4	13.1	13.5	14.5	14.6
1920	17.0	20.4	20.1	21.6	21.9	23.7	19.5	14.7	12.4	9.9	7.0	2.6	15.6
1921	-1.6	-5.6	-7.1	-10.8	-14.1	-15.8	-14.9	-12.8	-12.5	-12.1	-12.1	-10.8	-10.5
1922	-11.1	-8.2	-8.7	-7.7	-5.6	-5.1	-5.1	-6.2	-5.1	-4.6	-3.4	-2.3	-6.1
1923	-0.6	-0.6	0.6	1.2	1.2	1.8	2.4	3.0	3.6	3.6	3.0	2.4	1.8
1924	3.0	2.4	1.8	0.6	0.6	0.0	-0.6	-0.6	-0.6	-0.6	-0.6	0.0	0.0
1925	0.0	0.0	1.2	1.2	1.8	2.9	3.5	4.1	3.5	2.9	4.7	3.5	2.3
1926	3.5	4.1	2.9	4.1	2.9	1.1	-1.1	-1.7	-1.1	-0.6	-1.7	-1.1	1.1
1927	-2.2	-2.8	-2.8	-3.4	-2.2	-0.6	-1.1	-1.1	-1.1	-1.1	-2.3	-2.3	-1.7
1928	-1.1	-1.7	-1.2	-1.2	-1.1	-2.8	-1.2	-0.6	0.0	-1.1	-0.6	-1.2	-1.7
1929	-1.2	0.0	-0.6	-1.2	-1.2	0.0	1.2	1.2	0.0	0.6	0.6	0.6	0.0
1930	0.0	-0.6	-0.6	0.6	-0.6	-1.8	-4.0	-4.6	-4.0	-4.6	-5.2	-6.4	-2.3
1931	-7.0	-7.6	-7.7	-8.8	-9.5	-10.1	-9.0	-8.5	-9.6	-9.7	-10.4	-9.3	-9.0
1932	-10.1	-10.2	-10.3	-10.3	-10.5	-9.9	-9.9	-10.6	-10.7	-10.7	-10.2	-10.3	-9.9
1933	-9.8	-9.9	-10.0	-9.4	-8.0	-6.6	-3.7	-2.2	-1.5	-0.8	0.0	0.8	-5.1
1934	2.3	4.7	5.6	5.6	5.6	5.5	2.3	1.5	3.0	2.3	2.3	1.5	3.1
1935	3.0	3.0	3.0	3.8	3.8	2.2	2.2	2.2	0.7	1.5	2.2	3.0	2.2
1936	1.5	0.7	0.0	-0.7	-0.7	0.7	1.5	2.2	2.2	2.2	1.4	1.4	1.5
1937	2.2	2.2	3.6	4.4	5.1	4.3	4.3	3.6	4.3	4.3	3.6	2.9	3.6
1938	0.7	0.0	-0.7	-0.7	-2.1	-2.1	-2.8	-2.8	-3.4	-4.1	-3.4	-2.8	-2.1
1939	-1.4	-1.4	-1.4	-2.8	-2.1	-2.1	-2.1	-2.1	0.0	0.0	0.0	0.0	-1.4
1940	-0.7	0.7	0.7	1.4	1.4	2.2	1.4	1.4	-0.7	0.0	0.0	0.7	0.7
1941	1.4	0.7	1.4	2.1	2.9	4.3	5.0	6.4	7.9	9.3	10.0	9.9	5.0
1942	11.3	12.1	12.7	12.6	13.2	10.9	11.6	10.7	9.3	9.2	9.1	9.0	10.9
1943	7.6	7.0	7.5	8.1	7.4	7.4	6.1	4.8	5.5	4.2	3.6	3.0	6.1
1944	3.0	3.0	1.2	0.6	0.0	0.6	1.7	2.3	1.7	1.7	1.7	2.3	1.7
1945	2.3	2.3	2.3	1.7	2.3	2.8	2.3	2.3	2.3	2.3	2.3	2.2	2.3
1946	2.2	1.7	2.8	3.4	3.4	3.3	9.4	11.6	12.7	14.9	17.7	18.1	8.3
1947	18.1	18.8	19.7	19.0	18.4	17.6	12.1	11.4	12.7	10.6	8.5	8.8	14.4
1948	10.2	9.3	6.8	8.7	9.1	9.5	9.9	8.9	6.5	6.1	4.8	3.0	8.1
1949	1.3	1.3	1.7	0.4	-0.4	-0.8	-2.9	-2.9	-2.4	-2.9	-1.7	-2.1	-1.2
1950	-2.1	-1.3	-0.8	-1.3	-0.4	-0.4	1.7	2.1	2.1	3.8	3.8	5.9	1.3
1951	8.1	9.4	9.3	9.3	9.3	8.8	7.5	6.6	7.0	6.5	6.9	6.0	7.9
1952	4.3	2.3	1.9	2.3	1.9	2.3	3.1	3.1	2.3	1.9	1.1	0.8	1.9
1953	0.4	0.8	1.1	0.8	1.1	1.1	0.4	0.7	0.7	1.1	0.7	0.7	0.8
1954	1.1	1.5	1.1	0.8	0.7	0.4	0.4	0.0	-0.4	-0.7	-0.4	-0.7	0.7
1955	-0.7	-0.7	-0.7	-0.4	-0.7	-0.7	-0.4	-0.4	0.4	0.4	0.4	0.4	-0.4
1956	0.4	0.4	0.4	0.7	1.1	1.9	2.2	1.9	1.9	2.2	2.2	3.0	1.5
1957	3.0	3.4	3.7	3.7	3.7	3.3	3.3	3.7	3.3	2.9	3.3	2.9	3.3
1958	3.6	3.2	3.6	3.6	3.2	2.8	2.5	2.1	2.1	2.1	2.1	1.8	2.8
1959	1.4	1.0	0.3	0.3	0.3	0.7	0.7	1.0	1.4	1.7	1.4	1.7	0.7
1960	1.0	1.7	1.7	1.7	1.7	1.7	1.4	1.4	1.0	1.4	1.4	1.4	1.7
1961	1.7	1.4	1.4	1.0	1.0	0.7	1.4	1.0	1.4	0.7	0.7	0.7	1.0
1962	0.7	1.0	1.0	1.3	1.3	1.3	1.0	1.3	1.3	1.3	1.3	1.3	1.0
1963	1.3	1.0	1.3	1.0	1.0	1.3	1.3	1.3	1.0	1.3	1.3	1.6	1.3
1964	1.6	1.6	1.3	1.3	1.3	1.3	1.3	1.0	1.3	1.0	1.3	1.0	1.3
1965	1.0	1.0	1.3	1.6	1.6	1.9	1.6	1.9	1.6	1.9	1.6	1.9	1.6
1966	1.9	2.6	2.6	2.9	2.9	2.5	2.8	3.5	3.5	3.8	3.8	3.5	2.9
1967	3.5	2.8	2.8	2.5	2.8	2.8	2.8	2.4	2.8	2.4	2.7	3.0	3.1
1968	3.6	4.0	3.9	3.9	3.9	4.2	4.5	4.5	4.5	4.7	4.7	4.7	4.2
1969	4.4	4.7	5.2	5.5	5.5	5.5	5.4	5.7	5.7	5.7	5.9	6.2	5.5
1970	6.2	6.1	5.8	6.1	6.0	6.0	6.0	5.4	5.7	5.6	5.6	5.6	5.7
1971	5.3	5.0	4.7	4.2	4.4	4.6	4.4	4.6	4.1	3.8	3.3	3.3	4.4
1972	3.3	3.5	3.5	3.5	3.2	2.7	2.9	2.9	3.2	3.4	3.7	3.4	3.2
1973	3.6	3.9	4.6	5.1	5.5	6.0	5.7	7.4	7.4	7.8	8.3	8.7	6.2
1974	9.4	10.0	10.4	10.1	10.7	10.9	11.5	10.9	11.9	12.1	12.2	12.3	11.0
1975	11.8	11.2	10.3	10.2	9.5	9.4	9.7	8.6	7.9	7.4	7.4	6.9	9.1
1976	6.7	6.3	6.1	6.0	6.2	6.0	5.4	5.7	5.5	5.5	4.9	4.9	5.8
1977	5.2	5.9	6.4	7.0	6.7	6.9	6.8	6.6	6.6	6.4	6.7	6.7	6.5
1978	6.8	6.4	6.6	6.5	7.0	7.4	7.7	7.8	8.3	8.9	8.9	9.0	7.6
1979	9.3	9.9	10.1	10.5	10.9	10.9	11.3	11.8	12.2	12.1	12.6	13.3	11.3
1980	13.9	14.2	14.8	14.7	14.4	14.4	13.1	12.9	12.6	12.8	12.6	12.5	13.5
1981	11.8	11.4	10.5	10.0	9.8	9.6	10.8	10.8	11.0	10.1	9.6	8.9	10.3
1982	8.4	7.6	6.8	6.5	6.7	7.1	6.4	5.9	5.0	5.1	4.6	3.8	6.2
1983	3.7	3.5	3.6	3.9	3.5	2.6	2.5	2.6	2.9	2.9	3.3	3.8	3.2
1984	4.2	4.6	4.8	4.6	4.2	4.2	4.2	4.3	4.3	4.3	4.1	3.9	4.3
1985	3.5	3.5	3.7	3.7	3.8	3.8	3.6	3.3	3.1	3.2	3.5	3.8	3.6
1986	3.9	3.1	2.3	1.6	1.5	1.8	1.6	1.6	1.8	1.5	1.3	1.1	1.9
1987	1.5	2.1	3.0	3.8	3.9	3.7	3.9	4.3	4.4	4.5	4.5	4.4	3.6
1988	4.0	3.9	3.9	3.9	3.9	4.0	4.1	4.0	4.2	4.2	4.2	4.4	4.1
1989	4.7	4.8	5.0	5.1	5.4	5.2	5.0	4.7	4.3	4.5	4.7	4.6	4.8
1990	5.2	5.3	5.2	4.7	4.4	4.7	4.8	5.6	6.2	6.3	6.3	6.1	5.4
1991	5.7	5.3	4.9	4.9	5.0	4.7	4.4	3.8	3.4	2.9	3.0	3.1	4.2
1992	2.6	2.8	3.2	3.2	3.0	3.1	3.2	3.1	3.0	3.2	3.0	2.9	3.0
1993	3.3	3.2	3.1	3.2	3.2	3.0	2.8	2.8	2.7	2.8	2.7	2.7	3.0
1994	2.5	2.5	2.5	2.4	2.3	2.5	2.8	2.9	3.0	2.6	2.7	2.7	2.6
1995	2.8	2.9	2.9	3.1	3.2	3.0	2.8	2.6	2.5	2.8	2.6	2.5	2.8
1996	2.7	2.7	2.8	2.9	2.9	2.8	3.0	2.9	3.0	3.0	3.3	3.3	3.0
1997	3.0	3.0	2.8	2.5	2.2	2.3	2.2	2.2	2.2	2.1	1.8	1.7	2.3
1998	1.6	1.4	1.4	1.4	1.7	1.7	1.7	1.6	1.5	1.5	1.5	1.6	1.6
1999	1.7	1.6	1.7	2.3	2.1	2.0	2.1	2.3	2.6	2.6	2.6	2.7	2.2
2000	2.7	3.2	3.8	3.1	3.2	3.7	3.7	3.4	3.5	3.4	3.4	3.4	3.4
2001	3.7	3.5	2.9	3.3	3.6	3.2	2.7	2.7	2.6	2.1	1.9	1.6	2.8
2002	1.1	1.1	1.5	1.6	1.2	1.1	1.5	1.8	1.5	2.0	2.2	2.4	1.6
2003	2.6	3.0	3.0	2.2	2.1	2.1	2.1	2.2	2.3	2.0	1.8	1.9	2.3
2004	1.9	1.7	1.7	2.3	3.1	3.3	3.0	2.7	2.5	3.2	3.5	3.3	2.7
2005	3.0	3.0	3.1	3.5	2.8	2.5	3.2	3.6	4.7	4.3	3.5	3.4	3.4
2006	4.0	3.6	3.4	3.5	4.2	4.3	4.1	3.8	2.1	1.3	2.0	2.5	3.2
2007	2.1	2.4	2.8	2.6	2.7	2.7	2.4	2.0	2.8	3.5	4.3	4.1	2.8
2008	4.3	4.0	4.0	3.9	4.2	5.0	5.6	5.4	4.9	3.7	1.1	0.1	3.8
2009	0.0	0.2	-0.4	-0.7	-1.3	-1.4	-2.1	-1.5	-1.3	-0.2	1.8	2.7	-0.4
2010	2.6	2.1	2.3	2.2	2.0	1.1	1.2	1.1	1.1	1.2	1.1	1.5	1.6
2011	1.6	2.1	2.7	3.2	3.6	3.6	3.6	3.8	3.9	3.5	3.4	3.0	3.2
2012	2.9	2.9	2.7	2.3	1.7	1.7	1.4	1.7	2.0	2.2	1.8	1.7	2.1
2013	1.6	2.0	1.5	1.1	1.4	1.8	2.0	1.5	1.2	1.0	1.2	1.5	1.5
2014	1.6	1.1	1.5	2.0	2.1	2.1	2.0	1.7	1.7	1.7	1.3	0.8	1.6
2015	-0.1	0.0	-0.1	-0.2	0.0	0.1	0.2	0.2	0.0	0.2	0.5	0.7	0.1
2016	1.4	1.0	0.9	1.1	1.0	1.0	0.8	1.1	1.5	1.6	1.7	2.1	1.3
2017	2.5	2.7	2.4	2.2	1.9	1.6	1.7	1.9	2.2	2.0	2.2	2.1	2.1
2018	2.1	2.2	2.4	2.5	2.8	2.9	2.9	2.7	2.3	2.5	2.2	1.9	2.4
2019	1.6	1.5	1.9	2.0	1.8	1.6	1.8	1.7	1.7	1.8	2.1	2.3	1.8
2020	2.5	2.3	1.5	0.3	0.1	0.6	1.0	1.3	1.4	1.2	1.2	1.4	1.2
2021	1.4	1.7	2.6	4.2	5.0	5.4	5.4	NA	NA	NA	NA	NA	NA