Year	Index (Units)
1980	35.001
1981	39.014
1982	40.640
1983	41.594
1984	43.193
1985	43.623
1986	43.841
1987	45.420
1988	48.509
1989	50.625
1990	53.961
1991	56.400
1992	58.091
1993	59.892
1994	63.777
1995	65.522
1996	67.465
1997	67.709
1998	69.918
1999	70.711
2000	70.597
2001	71.963
2002	73.696
2003	75.165
2004	76.691
2005	78.300
2006	79.700
2007	80.829
2008	85.140
2009	84.672
2010	87.525
2011	90.551
2012	93.608
2013	94.600
2014	95.631
2015	96.557
2016	96.085
2017	98.422
2018	99.614
2019	101.040
2020	102.109
2021	103.770
2022	111.585
2023	117.239
2024	120.328
2025	122.790
2026	125.242
2027	127.742
2028	130.293
2029	132.894