Year	Index
1980	20.415
1981	22.031
1982	23.846
1983	26.384
1984	32.217
1985	38.119
1986	59.677
1987	73.827
1988	82.354
1989	89.152
1990	100
1991	108.642
1992	118.946
1993	126.637
1994	128.803
1995	137.795
1996	139.31
1997	143.184
1998	144.78
1999	150.291
2000	151.57
2001	158.379
2002	172.015
2003	201.312
2004	230.074
2005	241.484
2006	246.448
2007	259.682
2008	271.24
2009	283.593
2010	297.913
2011	312.201
2012	326.703
2013	343.827
2014	365.358
2015	390.233
2016	418.425
2017	452.106
2018	481.599
2019	511.932
2020	542.603
2021	571.134
2022	599.754
2023	629.809
2024	661.37