Year	Index
1980	35.583
1981	40.327
1982	45.158
1983	49.43
1984	53.223
1985	56.326
1986	57.756
1987	59.655
1988	61.267
1989	65.292
1990	65.503
1991	67.732
1992	69.395
1993	70.946
1994	72.127
1995	73.403
1996	74.928
1997	75.88
1998	76.391
1999	76.832
2000	78.226
2001	79.622
2002	81.164
2003	82.927
2004	84.863
2005	86.466
2006	88.102
2007	89.516
2008	92.346
2009	92.441
2010	94.047
2011	96.198
2012	98.329
2013	99.301
2014	99.91
2015	99.998
2016	100.304
2017	101.471
2018	103.603
2019	104.974
2020	106.598
2021	108.279
2022	110.172
2023	112.207
2024	114.325