Year	Index (Units)
1980	39.609
1981	42.630
1982	46.348
1983	49.900
1984	53.068
1985	55.651
1986	56.372
1987	57.248
1988	57.913
1989	59.712
1990	61.774
1991	63.730
1992	65.170
1993	66.791
1994	68.390
1995	69.255
1996	70.474
1997	71.531
1998	72.175
1999	72.993
2000	74.951
2001	76.778
2002	77.970
2003	79.153
2004	80.623
2005	82.669
2006	84.596
2007	86.135
2008	90.003
2009	89.999
2010	92.095
2011	95.175
2012	97.669
2013	98.892
2014	99.381
2015	100.000
2016	101.774
2017	104.036
2018	106.438
2019	107.768
2020	108.221
2021	111.695
2022	123.228
2023	126.053
2024	130.620
2025	133.223
2026	135.731
2027	138.324
2028	141.151
2029	144.007