Year	Index (Units)
1980	38.989
1981	43.547
1982	48.814
1983	53.525
1984	57.308
1985	60.433
1986	63.488
1987	65.047
1988	67.124
1989	69.330
1990	71.172
1991	72.985
1992	74.420
1993	75.628
1994	76.328
1995	77.186
1996	78.235
1997	78.922
1998	79.672
1999	79.834
2000	81.074
2001	82.702
2002	84.412
2003	85.982
2004	87.377
2005	89.069
2006	90.989
2007	93.315
2008	95.524
2009	95.587
2010	96.610
2011	97.526
2012	98.659
2013	99.426
2014	100.000
2015	101.138
2016	101.667
2017	102.197
2018	103.211
2019	104.531
2020	107.499
2021	109.036
2022	112.252
2023	118.237
2024	121.527
2025	123.929
2026	126.305
2027	128.580
2028	130.872
2029	133.081