Year	Index
1980	9.694
1981	10.581
1982	11.511
1983	12.412
1984	12.866
1985	13.413
1986	13.839
1987	14.243
1988	15.201
1989	16.933
1990	23.1
1991	28
1992	29.8
1993	33.7
1994	43.5
1995	55.1
1996	69.1
1997	77.9
1998	90.1
1999	100
2000	110.1
2001	119.8
2002	129.5
2003	138.3
2004	151
2005	162.7
2006	171.3
2007	186.5
2008	206.7
2009	212.8
2010	226.6
2011	239.3
2012	252.313
2013	264.837
2014	280.126
2015	286.728
2016	296.233
2017	310.239
2018	323.345
2019	338.542
2020	353.658
2021	368.659
2022	383.515
2023	398.856
2024	414.81