Year	Index (Units)
1982	0.001
1983	0.004
1984	0.082
1985	6.751
1986	11.115
1987	12.301
1988	14.946
1989	17.421
1990	20.559
1991	23.732
1992	26.215
1993	28.655
1994	31.098
1995	35.008
1996	37.791
1997	40.334
1998	42.107
1999	43.426
2000	44.908
2001	45.323
2002	46.432
2003	48.261
2004	50.491
2005	52.970
2006	54.553
2007	60.950
2008	68.171
2009	68.351
2010	73.260
2011	78.318
2012	81.874
2013	87.179
2014	91.707
2015	94.415
2016	98.195
2017	100.860
2018	102.380
2019	103.884
2020	104.581
2021	105.523
2022	108.818
2023	111.123
2024	116.457
2025	121.140
2026	125.897
2027	130.685
2028	135.655
2029	140.814