Year	Index (Units)
1980	36.112
1981	39.816
1982	43.330
1983	45.854
1984	47.480
1985	49.065
1986	50.602
1987	53.027
1988	55.434
1989	58.029
1990	59.974
1991	61.808
1992	62.717
1993	63.525
1994	64.450
1995	65.908
1996	67.013
1997	67.782
1998	67.661
1999	68.962
2000	71.979
2001	73.111
2002	74.031
2003	76.436
2004	78.929
2005	81.389
2006	83.482
2007	86.236
2008	89.682
2009	87.597
2010	90.092
2011	93.015
2012	94.148
2013	95.787
2014	97.647
2015	96.799
2016	97.494
2017	100.000
2018	101.651
2019	103.223
2020	104.328
2021	112.325
2022	120.922
2023	122.863
2024	126.780
2025	129.561
2026	132.098
2027	134.666
2028	137.300
2029	140.053