Year	Index (Units)
1980	38.247
1981	42.334
1982	46.631
1983	50.076
1984	53.058
1985	55.334
1986	56.618
1987	59.310
1988	61.646
1989	64.709
1990	66.394
1991	68.158
1992	69.285
1993	69.689
1994	70.782
1995	71.689
1996	73.130
1997	74.603
1998	75.526
1999	76.798
2000	79.115
2001	81.107
2002	83.011
2003	84.242
2004	86.008
2005	88.504
2006	90.342
2007	92.541
2008	96.366
2009	96.875
2010	100.001
2011	100.641
2012	103.028
2013	103.942
2014	105.018
2015	105.472
2016	105.739
2017	106.995
2018	107.793
2019	108.925
2020	112.111
2021	115.313
2022	124.616
2023	120.670
2024	119.880
2025	122.264
2026	124.704
2027	127.269
2028	129.967
2029	132.738