Year	Index
1980	8.488
1981	9.371
1982	10.767
1983	12.488
1984	14.618
1985	16.388
1986	20.305
1987	25.418
1988	29.278
1989	35.171
1990	42.634
1991	48.917
1992	59.259
1993	65.803
1994	71.755
1995	78.472
1996	84.04
1997	89.223
1998	93.72
1999	97.23
2000	100
2001	102.425
2002	104.915
2003	108.282
2004	117.06
2005	127.392
2006	132.745
2007	147.293
2008	164.522
2009	191.241
2010	213.597
2011	237.285
2012	257.809
2013	275.636
2014	303.465
2015	336.828
2016	371.183
2017	458.549
2018	554.201
2019	634.706
2020	712.602
2021	770.031
2022	825.136
2023	882.241
2024	943.269