Year	Index (Units)
1980	32.163
1981	35.619
1982	37.910
1983	39.825
1984	42.211
1985	44.336
1986	44.876
1987	46.079
1988	47.660
1989	49.455
1990	51.682
1991	54.286
1992	57.816
1993	60.642
1994	63.468
1995	65.126
1996	66.808
1997	69.018
1998	70.631
1999	71.433
2000	74.903
2001	76.393
2002	78.517
2003	81.640
2004	83.188
2005	84.873
2006	86.784
2007	88.668
2008	92.556
2009	92.723
2010	95.095
2011	98.406
2012	101.445
2013	101.831
2014	101.558
2015	99.993
2016	98.777
2017	99.451
2018	100.228
2019	100.775
2020	99.668
2021	101.904
2022	110.142
2023	114.484
2024	117.131
2025	119.517
2026	121.907
2027	124.223
2028	126.584
2029	128.989