Year	Index
1980	55.583
1981	59.188
1982	62.544
1983	64.39
1984	66.28
1985	68.552
1986	69.061
1987	70.052
1988	71.364
1989	73.614
1990	77.593
1991	82.139
1992	85.455
1993	88.269
1994	89.02
1995	90.62
1996	91.354
1997	91.828
1998	91.845
1999	92.587
2000	94.033
2001	94.964
2002	95.573
2003	96.181
2004	96.951
2005	98.088
2006	99.131
2007	99.859
2008	102.284
2009	101.794
2010	102.494
2011	102.728
2012	102.016
2013	101.796
2014	101.784
2015	100.622
2016	100.185
2017	100.719
2018	101.66
2019	102.509
2020	103.431
2021	104.511
2022	105.522
2023	106.599
2024	107.665