Year	Index
1980	55.089
1981	59.151
1982	63.751
1983	66.759
1984	67.545
1985	68.552
1986	69.206
1987	69.659
1988	70.682
1989	73.044
1990	84.583
1991	91.461
1992	91.166
1993	91.716
1994	93.893
1995	96.272
1996	99.197
1997	100
1998	100.6
1999	103.702
2000	105.328
2001	106.854
2002	107.705
2003	108.767
2004	110.134
2005	114.672
2006	118.218
2007	124.678
2008	132.533
2009	138.642
2010	144.876
2011	151.983
2012	156.845
2013	161.084
2014	166.121
2015	172.231
2016	178.228
2017	180.913
2018	182.18
2019	186.734
2020	191.776
2021	200.79
2022	208.62
2023	214.879
2024	221.325