Year	Index (Units)
1980	11.314
1981	12.225
1982	12.902
1983	13.921
1984	14.954
1985	15.509
1986	16.355
1987	16.901
1988	17.821
1989	18.620
1990	19.914
1991	21.302
1992	22.220
1993	23.326
1994	23.990
1995	28.136
1996	31.409
1997	32.647
1998	37.084
1999	42.621
2000	49.268
2001	53.849
2002	60.203
2003	69.059
2004	70.550
2005	71.806
2006	73.507
2007	74.176
2008	82.163
2009	87.843
2010	92.325
2011	96.425
2012	100.800
2013	105.800
2014	111.325
2015	118.000
2016	125.875
2017	132.700
2018	138.554
2019	143.946
2020	150.959
2021	157.727
2022	166.013
2023	169.881
2024	177.016
2025	185.513
2026	194.417
2027	203.361
2028	212.512
2029	222.075