Year	Index (Units)
1980	11.173
1981	10.367
1982	11.066
1983	11.667
1984	13.637
1985	14.316
1986	13.816
1987	13.351
1988	13.536
1989	15.683
1990	16.362
1991	16.920
1992	17.826
1993	19.205
1994	20.480
1995	23.778
1996	27.213
1997	35.311
1998	39.352
1999	47.460
2000	59.950
2001	68.435
2002	70.553
2003	76.134
2004	87.029
2005	100.000
2006	102.846
2007	111.354
2008	138.320
2009	152.275
2010	165.867
2011	179.741
2012	205.430
2013	221.773
2014	233.538
2015	283.361
2016	286.083
2017	318.837
2018	309.747
2019	312.294
2020	330.901
2021	359.016
2022	424.876
2023	565.539
2024	663.876
2025	798.141
2026	930.891
2027	1029.560
2028	1137.719
2029	1255.897