Year	Index
1980	44.925
1981	48.719
1982	50.902
1983	49.264
1984	49.879
1985	50.119
1986	50.832
1987	51.246
1988	51.596
1989	50.177
1990	53.296
1991	53.839
1992	55.156
1993	57.684
1994	59.701
1995	61.872
1996	63.03
1997	65.93
1998	67.85
1999	70.8
2000	71.52
2001	74.07
2002	75.59
2003	77.44
2004	78.9
2005	81.56
2006	82.19
2007	84.7
2008	88.92
2009	88.53
2010	92.11
2011	93.47
2012	96.04
2013	97.01
2014	97.38
2015	98.6
2016	99.55
2017	100.88
2018	102.13
2019	104.114
2020	106.143
2021	108.228
2022	110.366
2023	112.554
2024	114.793