Year	Index (Units)
1980	37.573
1981	42.792
1982	46.939
1983	51.301
1984	54.733
1985	57.307
1986	58.522
1987	60.346
1988	62.205
1989	64.421
1990	66.490
1991	68.660
1992	70.040
1993	71.600
1994	72.630
1995	74.160
1996	75.420
1997	76.280
1998	76.460
1999	77.500
2000	78.900
2001	80.080
2002	81.830
2003	83.800
2004	85.680
2005	87.160
2006	88.620
2007	91.090
2008	92.150
2009	93.060
2010	94.910
2011	97.410
2012	98.890
2013	99.720
2014	99.830
2015	100.120
2016	100.950
2017	102.240
2018	104.220
2019	105.960
2020	105.720
2021	109.283
2022	116.923
2023	121.817
2024	124.045
2025	126.454
2026	128.635
2027	131.223
2028	133.302
2029	135.946