Year	Index (Units)
1980	36.675
1981	43.075
1982	46.189
1983	48.710
1984	50.026
1985	51.066
1986	51.655
1987	53.173
1988	53.332
1989	54.742
1990	58.711
1991	62.188
1992	64.554
1993	67.304
1994	67.570
1995	69.186
1996	72.239
1997	72.599
1998	74.127
1999	74.877
2000	75.022
2001	76.430
2002	77.001
2003	77.098
2004	79.297
2005	82.030
2006	84.505
2007	90.415
2008	99.568
2009	99.939
2010	100.700
2011	103.908
2012	106.608
2013	107.467
2014	107.675
2015	105.817
2016	105.650
2017	107.925
2018	110.433
2019	111.433
2020	110.758
2021	112.483
2022	118.850
2023	124.282
2024	127.954
2025	130.511
2026	133.119
2027	135.779
2028	138.492
2029	141.259