Year	Index (Units)
1980	34.345
1981	39.729
1982	42.945
1983	44.148
1984	49.520
1985	47.812
1986	46.390
1987	54.032
1988	59.323
1989	63.150
1990	62.536
1991	68.958
1992	70.880
1993	72.342
1994	74.015
1995	75.297
1996	76.867
1997	79.309
1998	82.952
1999	85.506
2000	87.369
2001	90.536
2002	93.138
2003	93.882
2004	95.869
2005	96.272
2006	100.000
2007	105.777
2008	113.355
2009	116.251
2010	117.962
2011	121.250
2012	120.687
2013	124.316
2014	126.047
2015	133.438
2016	135.542
2017	142.813
2018	147.392
2019	152.226
2020	156.466
2021	157.560
2022	175.249
2023	195.066
2024	208.950
2025	219.167
2026	227.747
2027	236.663
2028	245.928
2029	255.556