Year	Index (Units)
1980	9.237
1981	11.680
1982	13.244
1983	14.230
1984	15.017
1985	16.266
1986	16.972
1987	17.094
1988	17.709
1989	20.119
1990	22.273
1991	25.128
1992	25.846
1993	29.797
1994	31.982
1995	33.910
1996	36.132
1997	38.600
1998	41.228
1999	44.065
2000	45.924
2001	48.400
2002	51.504
2003	52.887
2004	55.378
2005	58.113
2006	63.292
2007	68.878
2008	75.575
2009	77.482
2010	79.747
2011	84.956
2012	88.235
2013	91.354
2014	94.300
2015	95.502
2016	96.456
2017	100.000
2018	103.231
2019	103.700
2020	106.314
2021	110.607
2022	122.536
2023	131.169
2024	137.598
2025	142.515
2026	147.867
2027	153.071
2028	158.427
2029	163.997