Year	Index (Units)
1980	31.268
1981	35.079
1982	38.064
1983	40.043
1984	41.824
1985	43.982
1986	45.577
1987	47.430
1988	49.618
1989	52.206
1990	55.860
1991	60.060
1992	62.602
1993	64.188
1994	65.467
1995	67.189
1996	68.819
1997	70.074
1998	71.166
1999	72.111
2000	72.685
2001	73.582
2002	74.508
2003	75.523
2004	76.538
2005	78.112
2006	79.931
2007	81.788
2008	84.733
2009	86.568
2010	89.423
2011	93.415
2012	96.057
2013	98.521
2014	99.960
2015	100.000
2016	100.660
2017	103.361
2018	105.922
2019	107.819
2020	108.736
2021	111.551
2022	121.665
2023	130.554
2024	133.757
2025	136.445
2026	139.174
2027	141.958
2028	144.797
2029	147.693