Year	Index (Units)
1980	53.215
1981	56.837
1982	59.929
1983	61.928
1984	65.436
1985	67.523
1986	68.696
1987	69.663
1988	70.964
1989	72.561
1990	74.575
1991	76.899
1992	79.534
1993	82.106
1994	84.332
1995	85.691
1996	87.209
1997	88.226
1998	88.947
1999	89.406
2000	91.155
2001	93.253
2002	94.821
2003	96.055
2004	97.941
2005	100.000
2006	101.686
2007	103.923
2008	107.280
2009	107.715
2010	109.537
2011	113.417
2012	116.330
2013	118.794
2014	120.535
2015	121.511
2016	122.692
2017	125.426
2018	128.088
2019	130.003
2020	131.811
2021	135.444
2022	147.112
2023	158.454
2024	164.665
2025	169.247
2026	173.154
2027	176.688
2028	180.326
2029	184.039