Year	Index (Units)
1980	53.550
1981	55.260
1982	56.600
1983	55.930
1984	56.850
1985	56.110
1986	57.580
1987	58.690
1988	59.340
1989	61.200
1990	63.990
1991	66.480
1992	68.750
1993	71.930
1994	73.840
1995	77.210
1996	79.160
1997	79.370
1998	81.050
1999	81.170
2000	82.500
2001	81.110
2002	81.740
2003	81.690
2004	83.010
2005	84.840
2006	85.420
2007	88.260
2008	89.380
2009	89.160
2010	90.260
2011	92.090
2012	93.580
2013	93.890
2014	94.460
2015	94.580
2016	96.180
2017	97.350
2018	97.290
2019	98.410
2020	98.450
2021	101.040
2022	103.780
2023	106.580
2024	108.910
2025	110.782
2026	112.480
2027	114.183
2028	115.955
2029	117.739