Year	Index (Units)
1980	34.023
1981	37.326
1982	40.023
1983	42.953
1984	46.650
1985	50.577
1986	55.795
1987	57.983
1988	61.069
1989	63.488
1990	66.969
1991	70.366
1992	74.208
1993	76.663
1994	76.538
1995	83.119
1996	82.682
1997	83.655
1998	83.406
1999	84.341
2000	83.979
2001	84.345
2002	85.203
2003	85.821
2004	86.863
2005	88.165
2006	89.375
2007	93.333
2008	97.561
2009	97.705
2010	98.658
2011	97.976
2012	98.338
2013	99.624
2014	100.000
2015	103.173
2016	104.174
2017	104.110
2018	105.088
2019	105.946
2020	106.097
2021	108.638
2022	111.953
2023	118.823
2024	121.933
2025	125.052
2026	128.022
2027	130.511
2028	132.959
2029	135.422