Year	Index (Units)
1980	39.372
1981	43.097
1982	45.760
1983	47.552
1984	49.268
1985	50.826
1986	51.849
1987	53.134
1988	55.008
1989	57.165
1990	59.304
1991	61.310
1992	62.707
1993	64.194
1994	65.564
1995	66.939
1996	68.164
1997	69.340
1998	70.119
1999	71.111
2000	72.722
2001	74.360
2002	75.515
2003	77.006
2004	79.077
2005	81.556
2006	84.072
2007	86.349
2008	88.013
2009	88.556
2010	89.632
2011	91.481
2012	93.184
2013	94.770
2014	96.421
2015	97.316
2016	98.241
2017	100.000
2018	102.291
2019	104.008
2020	105.381
2021	110.213
2022	117.973
2023	122.273
2024	125.222
2025	127.431
2026	129.833
2027	132.285
2028	134.785
2029	137.361