Year	Index
1980	2.957
1981	3.098
1982	3.315
1983	3.868
1984	5.073
1985	6.245
1986	6.915
1987	7.493
1988	8.134
1989	9.531
1990	12.373
1991	22.901
1992	32.106
1993	41.778
1994	52.972
1995	66.515
1996	77.053
1997	84.116
1998	90.72
1999	96.873
2000	100
2001	111.753
2002	119.462
2003	136.339
2004	157.902
2005	174.507
2006	184.093
2007	215.055
2008	251.28
2009	276.947
2010	309.46
2011	328.064
2012	354.317
2013	387.883
2014	412.539
2015	427.643
2016	435.018
2017	457.839
2018	468.884
2019	491.67
2020	516.253
2021	542.066
2022	569.169
2023	597.628
2024	627.509