Year	Index (Units)
1980	42.858
1981	45.670
1982	48.105
1983	49.864
1984	52.175
1985	53.783
1986	55.238
1987	56.405
1988	59.820
1989	61.594
1990	63.441
1991	65.752
1992	68.039
1993	69.915
1994	71.680
1995	72.981
1996	73.678
1997	74.612
1998	74.941
1999	75.134
2000	76.158
2001	77.641
2002	78.531
2003	79.558
2004	80.942
2005	82.996
2006	84.566
2007	86.445
2008	88.136
2009	89.801
2010	90.585
2011	92.246
2012	94.141
2013	95.669
2014	97.751
2015	100.000
2016	101.848
2017	102.872
2018	104.763
2019	106.448
2020	109.343
2021	111.604
2022	117.492
2023	127.213
2024	132.215
2025	135.789
2026	138.726
2027	141.651
2028	144.550
2029	147.581