Year	Index
1980	32.262
1981	36.12
1982	40.407
1983	43.301
1984	45.874
1985	48.446
1986	52.733
1987	56.592
1988	59.807
1989	62.379
1990	65.059
1991	66.881
1992	68.382
1993	69.668
1994	70.954
1995	72.454
1996	73.741
1997	75.456
1998	77.278
1999	79.421
2000	81.779
2001	83.494
2002	85.745
2003	86.281
2004	87.245
2005	88.853
2006	90.782
2007	93.355
2008	95.391
2009	97.32
2010	100
2011	100.107
2012	101.501
2013	103.537
2014	105.681
2015	108.146
2016	111.897
2017	113.719
2018	117.685
2019	119.568
2020	121.72
2021	124.033
2022	126.513
2023	129.044
2024	131.625