Year	Index (Units)
1980	20.415
1981	22.031
1982	23.846
1983	26.384
1984	32.217
1985	38.119
1986	59.677
1987	73.827
1988	82.354
1989	89.152
1990	100.000
1991	108.642
1992	118.946
1993	126.637
1994	128.803
1995	137.795
1996	139.310
1997	143.184
1998	144.780
1999	150.291
2000	151.570
2001	158.379
2002	172.015
2003	201.312
2004	230.074
2005	241.484
2006	246.448
2007	259.682
2008	271.240
2009	283.593
2010	297.913
2011	312.201
2012	326.703
2013	343.827
2014	365.358
2015	390.233
2016	418.425
2017	452.106
2018	481.587
2019	515.856
2020	546.453
2021	586.728
2022	654.280
2023	765.286
2024	881.017
2025	973.724
2026	1037.503
2027	1089.378
2028	1143.847
2029	1201.039