Year	Index (Units)
1980	29.688
1981	33.308
1982	36.595
1983	38.656
1984	40.672
1985	42.102
1986	43.982
1987	47.206
1988	48.512
1989	51.824
1990	53.750
1991	56.166
1992	57.363
1993	60.332
1994	61.672
1995	62.292
1996	63.887
1997	64.471
1998	70.073
1999	73.188
2000	72.206
2001	73.842
2002	74.507
2003	75.346
2004	79.734
2005	85.050
2006	88.872
2007	96.370
2008	97.974
2009	96.326
2010	100.000
2011	103.517
2012	102.922
2013	105.916
2014	106.483
2015	104.568
2016	104.366
2017	108.323
2018	111.592
2019	117.110
2020	119.483
2021	125.280
2022	130.020
2023	136.211
2024	141.108
2025	145.381
2026	149.448
2027	153.709
2028	158.092
2029	162.312