Year	Index (Units)
1980	10.488
1981	11.592
1982	12.715
1983	13.798
1984	15.736
1985	17.491
1986	18.890
1987	20.945
1988	22.537
1989	24.453
1990	26.002
1991	27.718
1992	28.542
1993	28.624
1994	29.704
1995	31.886
1996	33.236
1997	34.499
1998	36.133
1999	37.499
2000	38.792
2001	40.057
2002	41.616
2003	44.037
2004	46.046
2005	48.158
2006	50.987
2007	54.287
2008	58.554
2009	62.515
2010	66.982
2011	72.246
2012	78.144
2013	83.751
2014	88.499
2015	93.696
2016	100.000
2017	105.048
2018	111.146
2019	115.212
2020	119.637
2021	124.568
2022	130.857
2023	137.950
2024	147.195
2025	155.983
2026	164.779
2027	173.954
2028	183.279
2029	193.104