Year	Index
1980	58.962
1981	63.183
1982	64.837
1983	66.856
1984	69.008
1985	68.511
1986	69.858
1987	73.925
1988	78.004
1989	81.811
1990	88.242
1991	91.071
1992	93.677
1993	93.167
1994	93.281
1995	92.101
1996	95.037
1997	93.969
1998	98.347
1999	99.427
2000	99.857
2001	100.79
2002	103.36
2003	105.23
2004	108.13
2005	110.88
2006	110.89
2007	116.69
2008	117.54
2009	120.36
2010	123.88
2011	128.89
2012	131.26
2013	132.65
2014	134.41
2015	135.62
2016	134.1
2017	137.26
2018	140.32
2019	143.138
2020	146.013
2021	148.945
2022	151.936
2023	154.987
2024	158.1