Year	Index
1980	42.273
1981	46.273
1982	49.132
1983	51.056
1984	52.898
1985	54.571
1986	55.67
1987	57.047
1988	59.059
1989	61.374
1990	63.671
1991	65.825
1992	67.325
1993	68.92
1994	70.392
1995	71.868
1996	73.183
1997	74.445
1998	75.283
1999	76.37
2000	78.078
2001	79.79
2002	81.052
2003	82.557
2004	84.78
2005	87.421
2006	90.066
2007	92.486
2008	94.285
2009	95.004
2010	96.111
2011	98.118
2012	100
2013	101.755
2014	103.68
2015	104.789
2016	105.934
2017	107.948
2018	110.382
2019	112.345
2020	114.691
2021	117.075
2022	119.497
2023	121.974
2024	124.526