Year	Index
1980	49.061
1981	52.25
1982	60.197
1983	65.742
1984	69.722
1985	75.566
1986	67.036
1987	69.248
1988	69.449
1989	72.532
1990	67.172
1991	68.314
1992	67.357
1993	68.705
1994	86.087
1995	88.799
1996	90.93
1997	92.294
1998	93.401
1999	94.429
2000	100
2001	105.571
2002	109.348
2003	113.409
2004	118.508
2005	122.071
2006	126.209
2007	131.87
2008	138.221
2009	144.84
2010	150.487
2011	153.846
2012	162.937
2013	165.496
2014	167.727
2015	171.081
2016	174.161
2017	175.902
2018	179.42
2019	183.009
2020	186.669
2021	190.402
2022	194.21
2023	198.095
2024	202.056