Year	Index (Units)
1980	1.483
1981	1.625
1982	1.879
1983	2.193
1984	2.623
1985	2.922
1986	3.738
1987	4.677
1988	5.144
1989	6.001
1990	7.284
1991	8.792
1992	9.649
1993	11.092
1994	11.801
1995	12.949
1996	14.005
1997	14.671
1998	15.167
1999	15.603
2000	16.000
2001	16.400
2002	16.800
2003	17.500
2004	19.600
2005	20.500
2006	22.000
2007	23.900
2008	28.700
2009	31.500
2010	34.700
2011	38.800
2012	41.600
2013	45.700
2014	49.500
2015	55.100
2016	62.800
2017	81.500
2018	93.200
2019	101.922
2020	107.724
2021	112.995
2022	127.858
2023	173.538
2024	229.199
2025	264.245
2026	298.448
2027	325.422
2028	348.544
2029	366.683