Year	Index
1980	53.27
1981	57.29
1982	66.07
1983	79.62
1984	89.25
1985	93
1986	97
1987	99.71
1988	101.41
1989	103.03
1990	104.58
1991	103.95
1992	105.91
1993	101.97
1994	114.88
1995	144.525
1996	150.192
1997	157.375
1998	162.375
1999	165.35
2000	167.408
2001	174.858
2002	179.783
2003	180.917
2004	181.369
2005	184.983
2006	194.058
2007	196.242
2008	206.717
2009	213
2010	215.725
2011	222.067
2012	227.357
2013	232.018
2014	236.317
2015	242.694
2016	244.812
2017	246.383
2018	248.704
2019	251.669
2020	255.424
2021	260.532
2022	265.743
2023	271.058
2024	276.479