Year	Index
1980	42.43
1981	47.834
1982	51.292
1983	54.091
1984	55.553
1985	56.708
1986	57.362
1987	59.011
1988	59.272
1989	60.837
1990	65.247
1991	65.013
1992	65.358
1993	68.163
1994	68.359
1995	69.548
1996	72.613
1997	72.935
1998	74.498
1999	75.266
2000	75.415
2001	76.439
2002	77.011
2003	77.107
2004	79.308
2005	82.04
2006	84.513
2007	90.424
2008	99.577
2009	99.949
2010	100.7
2011	103.908
2012	106.608
2013	107.467
2014	107.675
2015	105.817
2016	105.65
2017	107.925
2018	110.503
2019	112.703
2020	114.955
2021	117.251
2022	119.594
2023	121.984
2024	124.421