Year	Index (Units)
1980	41.383
1981	44.887
1982	47.360
1983	48.837
1984	49.675
1985	50.193
1986	50.911
1987	51.111
1988	52.906
1989	54.024
1990	57.809
1991	60.353
1992	63.248
1993	65.441
1994	67.721
1995	69.914
1996	72.195
1997	74.301
1998	78.248
1999	80.178
2000	81.143
2001	82.108
2002	83.424
2003	84.389
2004	86.231
2005	89.000
2006	91.800
2007	93.900
2008	98.100
2009	99.100
2010	101.200
2011	104.200
2012	105.500
2013	108.900
2014	111.800
2015	114.800
2016	116.800
2017	120.900
2018	121.100
2019	122.300
2020	120.600
2021	124.500
2022	129.200
2023	132.416
2024	136.114
2025	139.536
2026	142.568
2027	145.487
2028	148.454
2029	151.510