Year	Index
1980	56.813
1981	61.389
1982	64.786
1983	69.906
1984	75.093
1985	77.88
1986	82.127
1987	84.868
1988	89.489
1989	93.499
1990	100
1991	106.966
1992	111.575
1993	117.129
1994	120.467
1995	141.284
1996	157.719
1997	163.937
1998	186.216
1999	214.022
2000	247.401
2001	270.404
2002	302.311
2003	346.778
2004	354.264
2005	360.573
2006	369.113
2007	372.477
2008	412.58
2009	441.103
2010	463.61
2011	484.198
2012	506.167
2013	531.274
2014	559.018
2015	592.537
2016	632.081
2017	666.213
2018	697.791
2019	727.796
2020	762.003
2021	797.817
2022	835.314
2023	869.562
2024	901.736