Year	Index
1980	51.633
1981	56.975
1982	57.445
1983	58.102
1984	58.631
1985	59.035
1986	58.221
1987	59.11
1988	59.941
1989	61.926
1990	64.291
1991	66.139
1992	67.323
1993	69.042
1994	71.028
1995	71.626
1996	73.058
1997	74.554
1998	73.489
1999	73.987
2000	75.513
2001	75.068
2002	75.396
2003	75.958
2004	76.954
2005	77.924
2006	78.554
2007	81.555
2008	85.931
2009	85.478
2010	89.401
2011	94.349
2012	98.429
2013	99.904
2014	99.828
2015	99.189
2016	99.351
2017	99.724
2018	100.187
2019	101.634
2020	103.098
2021	104.488
2022	105.92
2023	107.423
2024	108.979