Year	Index
1980	16.304
1981	17.615
1982	17.3
1983	17.301
1984	17.668
1985	17.274
1986	16.893
1987	17.355
1988	17.467
1989	18.104
1990	19.002
1991	18.028
1992	19.682
1993	20.005
1994	20.962
1995	25.639
1996	28.492
1997	30.963
1998	31.23
1999	37.037
2000	41.964
2001	44.98
2002	57.237
2003	65.453
2004	80.254
2005	103.181
2006	112.944
2007	125.388
2008	129.437
2009	94.058
2010	125.066
2011	168.158
2012	192.242
2013	199.581
2014	198.712
2015	175.753
2016	205.796
2017	206.314
2018	249.584
2019	246.928
2020	273.084
2021	302.921
2022	339.039
2023	382.77
2024	435.432