Year	Index
1980	69.946
1981	77.417
1982	79.33
1983	81.444
1984	82.495
1985	82.523
1986	86.575
1987	86.605
1988	86.657
1989	88.892
1990	93.472
1991	96.725
1992	99.824
1993	103.299
1994	105.065
1995	107.554
1996	110.062
1997	112.506
1998	116.182
1999	113.911
2000	112.88
2001	112.189
2002	111.733
2003	110.174
2004	109.894
2005	108.209
2006	107.095
2007	106.638
2008	103.869
2009	104.003
2010	102.405
2011	100
2012	100.543
2013	102.019
2014	103.749
2015	107.128
2016	108.085
2017	106.84
2018	105.742
2019	106.524
2020	107.041
2021	107.793
2022	108.985
2023	110.389
2024	112.002