Year	Index (Units)
1980	42.531
1981	47.469
1982	50.230
1983	49.766
1984	49.545
1985	49.428
1986	50.432
1987	50.642
1988	51.121
1989	51.563
1990	53.097
1991	54.453
1992	55.457
1993	57.693
1994	60.075
1995	62.462
1996	63.688
1997	66.184
1998	68.615
1999	70.189
2000	72.316
2001	74.137
2002	76.083
2003	77.558
2004	79.668
2005	81.683
2006	83.782
2007	84.379
2008	88.325
2009	89.947
2010	91.774
2011	94.083
2012	97.118
2013	98.080
2014	98.842
2015	99.996
2016	100.893
2017	102.166
2018	103.938
2019	105.518
2020	106.355
2021	107.115
2022	113.676
2023	120.104
2024	123.540
2025	126.153
2026	128.709
2027	131.281
2028	133.904
2029	136.582