Year	Index (Units)
1980	16.200
1981	18.047
1982	20.934
1983	23.761
1984	25.305
1985	26.269
1986	27.187
1987	28.611
1988	30.734
1989	33.146
1990	36.571
1991	38.966
1992	41.254
1993	42.903
1994	44.623
1995	46.835
1996	48.852
1997	51.173
1998	52.756
1999	54.548
2000	56.561
2001	58.775
2002	60.117
2003	61.731
2004	63.800
2005	66.465
2006	69.013
2007	70.480
2008	74.949
2009	77.215
2010	80.160
2011	83.824
2012	87.732
2013	91.679
2014	95.957
2015	100.000
2016	104.935
2017	109.882
2018	118.589
2019	127.051
2020	135.222
2021	140.974
2022	151.226
2023	167.049
2024	180.226
2025	191.684
2026	206.898
2027	223.738
2028	242.352
2029	262.499