Year	Index
1980	66.7
1981	72
1982	77.1
1983	78.1
1984	80
1985	82.8
1986	87.3
1987	92.1
1988	96.7
1989	99.4
1990	100
1991	103.4
1992	110
1993	115.8
1994	122.4
1995	127.7
1996	131.5
1997	135.4
1998	138.1
1999	141
2000	142.9
2001	146.901
2002	151.188
2003	155.904
2004	163.763
2005	173.909
2006	190.057
2007	211.206
2008	237.124
2009	240.828
2010	242.942
2011	245.074
2012	246.697
2013	249.413
2014	255.265
2015	265.654
2016	269.951
2017	275.261
2018	283.739
2019	289.798
2020	295.757
2021	301.947
2022	308.331
2023	314.762
2024	321.766