Year	Index (Units)
1980	16.947
1981	17.789
1982	19.553
1983	21.927
1984	24.787
1985	26.770
1986	28.156
1987	30.139
1988	32.606
1989	35.496
1990	38.836
1991	42.853
1992	46.343
1993	50.789
1994	55.613
1995	59.553
1996	64.781
1997	70.320
1998	75.658
1999	82.511
2000	88.438
2001	91.732
2002	94.428
2003	96.762
2004	100.000
2005	104.823
2006	109.990
2007	115.760
2008	123.053
2009	131.823
2010	138.185
2011	150.003
2012	165.175
2013	178.570
2014	195.711
2015	208.726
2016	215.547
2017	224.869
2018	233.102
2019	239.660
2020	246.965
2021	267.244
2022	283.104
2023	295.998
2024	310.497
2025	324.736
2026	338.005
2027	351.535
2028	365.455
2029	379.927