Year	Index
1980	32.979
1981	36.936
1982	40.371
1983	43.763
1984	46.826
1985	49.551
1986	50.988
1987	53.07
1988	55.795
1989	59.462
1990	62.409
1991	65.246
1992	67.369
1993	69.61
1994	70.733
1995	71.015
1996	71.77
1997	72.643
1998	73.623
1999	74.588
2000	76.789
2001	78.836
2002	80.418
2003	81.456
2004	81.576
2005	82.208
2006	83.256
2007	84.574
2008	87.886
2009	89.322
2010	90.828
2011	93.847
2012	96.814
2013	98.959
2014	100.156
2015	100
2016	100.389
2017	101.232
2018	102.415
2019	103.774
2020	105.336
2021	107.232
2022	109.27
2023	111.455
2024	113.684