Year	Index (Units)
1980	3.426
1981	3.817
1982	4.373
1983	5.119
1984	5.690
1985	6.609
1986	7.710
1987	8.854
1988	10.220
1989	11.965
1990	13.814
1991	15.976
1992	18.327
1993	20.776
1994	22.814
1995	25.287
1996	27.316
1997	29.539
1998	31.924
1999	34.123
2000	37.256
2001	40.163
2002	45.198
2003	48.089
2004	50.995
2005	53.849
2006	57.114
2007	61.824
2008	66.677
2009	72.454
2010	76.894
2011	81.153
2012	84.955
2013	89.920
2014	94.746
2015	100.000
2016	106.952
2017	112.806
2018	117.311
2019	122.723
2020	129.178
2021	137.574
2022	144.122
2023	150.643
2024	157.449
2025	164.473
2026	171.953
2027	179.680
2028	187.754
2029	196.213