Year	Index (Units)
1980	28.732
1981	34.548
1982	40.487
1983	44.696
1984	48.556
1985	51.211
1986	52.769
1987	54.433
1988	55.612
1989	57.830
1990	59.772
1991	61.644
1992	63.586
1993	64.487
1994	66.013
1995	67.675
1996	69.150
1997	70.017
1998	71.508
1999	73.233
2000	77.117
2001	80.200
2002	83.958
2003	87.317
2004	89.333
2005	91.300
2006	93.742
2007	96.450
2008	99.458
2009	97.792
2010	96.192
2011	97.358
2012	99.200
2013	99.733
2014	100.033
2015	99.983
2016	99.800
2017	100.058
2018	100.775
2019	101.642
2020	101.192
2021	103.633
2022	111.975
2023	117.808
2024	120.612
2025	123.024
2026	125.423
2027	127.882
2028	130.414
2029	133.022