Year	Index (Units)
1980	0.910
1981	1.160
1982	1.430
1983	1.670
1984	1.980
1985	2.430
1986	2.930
1987	3.640
1988	4.670
1989	5.900
1990	7.810
1991	9.910
1992	12.410
1993	15.220
1994	18.660
1995	22.280
1996	27.080
1997	31.830
1998	37.070
1999	40.420
2000	43.860
2001	47.130
2002	50.350
2003	53.560
2004	56.480
2005	59.210
2006	61.850
2007	65.350
2008	70.330
2009	71.670
2010	73.880
2011	76.590
2012	78.460
2013	80.000
2014	82.960
2015	88.600
2016	93.690
2017	97.500
2018	100.570
2019	104.410
2020	106.130
2021	112.160
2022	126.950
2023	138.770
2024	146.172
2025	150.617
2026	155.063
2027	159.720
2028	164.516
2029	169.373