Year	Index
1980	50.982
1981	53.158
1982	55.696
1983	57.507
1984	58.671
1985	59.941
1986	61.89
1987	62.992
1988	63.936
1989	65.438
1990	67.543
1991	77.422
1992	81.847
1993	85.256
1994	87.038
1995	88.695
1996	89.207
1997	89.39
1998	90.12
1999	90.537
2000	89.927
2001	90.953
2002	92.156
2003	93.28
2004	94.743
2005	95.168
2006	95.291
2007	96.811
2008	97.882
2009	99.539
2010	100.429
2011	101.445
2012	102.804
2013	104.707
2014	106.55
2015	108.931
2016	110.509
2017	111.874
2018	113.929
2019	115.758
2020	118.398
2021	120.958
2022	123.722
2023	126.645
2024	129.636