Tax Rates

YEAR	RATIO	TAX RATE
1975	N/A	21.5
1976	N/A	22.1
1977	N/A	25.1
1978	N/A	26.4
1979	N/A	26.8
1980	34%	30.5
1981	59%	36.3
1982	63%	17.2
1983	94%	19.29
1984	80%	17.17
1985	58%	20.65
1986	42%	22.35
1987	35%	25.61
1988	38%	33.48
1989	101%	38.14
1990	121%	20
1991	125%	20.46
1992	136%	19.63
1993	130%	21
1994	130%	21.15
1995	136%	22.15
1996	127%	24.2
1997	126%	25.36
1998	111%	26.63
1999	99%	19.26
2000	99%	20.06
2001	86%	24.04
2002	73.60%	26.12
2003	64.30%	27.81
2004	57.40%	32.57
2005	101.70%	17.51
2006	99.10%	17.53
2007	103.10%	17.53
2008	108%	19.51
2009	121.10%	19.41
2010	101.60%	22.96
2011	107.40%	21.45
2012	110.40%	21.91
2013	109.1%	22.65
2014	104.8%	23.01
2015	98.7%	22.01
2016	94.7%	22.20
2017	88.1%	23.30
2018	85.5%	23.07
2019	80.9%	23.11
2020	98.6%	19.67
2021	85.1 %	18.80
2022	70.5 %	18.32
2023	63.4 %	22.66