Year	Index
1980	40.893
1981	44.223
1982	47.804
1983	51.226
1984	53.966
1985	56.137
1986	56.467
1987	57.284
1988	58.386
1989	60.489
1990	62.603
1991	64.346
1992	65.752
1993	67.372
1994	68.712
1995	69.555
1996	71.043
1997	71.671
1998	72.167
1999	73.647
2000	75.83
2001	77.29
2002	78.32
2003	79.6
2004	81.2
2005	83.44
2006	85.17
2007	87.82
2008	90.19
2009	90.49
2010	93.55
2011	96.53
2012	98.54
2013	99.69
2014	99.3
2015	100.74
2016	102.96
2017	105.08
2018	107.39
2019	108.799
2020	111.082
2021	113.015
2022	115.206
2023	117.451
2024	119.763