Year	Index (Units)
1980	32.979
1981	36.936
1982	40.371
1983	43.763
1984	46.826
1985	49.551
1986	50.988
1987	53.070
1988	55.795
1989	59.462
1990	62.409
1991	65.246
1992	67.369
1993	69.610
1994	70.733
1995	71.015
1996	71.770
1997	72.643
1998	73.623
1999	74.588
2000	76.789
2001	78.836
2002	80.418
2003	81.456
2004	81.576
2005	82.208
2006	83.256
2007	84.574
2008	87.886
2009	89.322
2010	90.828
2011	93.847
2012	96.814
2013	98.959
2014	100.156
2015	100.000
2016	100.389
2017	101.232
2018	102.415
2019	103.579
2020	103.976
2021	106.124
2022	113.735
2023	118.672
2024	120.110
2025	122.433
2026	124.882
2027	127.379
2028	129.927
2029	132.525