Year	Index
1980	36.734
1981	39.7
1982	43.415
1983	47.179
1984	49.838
1985	51.878
1986	52.034
1987	51.982
1988	52.709
1989	54.502
1990	56.518
1991	58.27
1992	60.135
1993	62.3
1994	63.67
1995	64.88
1996	65.63
1997	66.53
1998	67.177
1999	67.863
2000	70.428
2001	72.122
2002	73.607
2003	75.468
2004	77.913
2005	80.846
2006	83.238
2007	85.448
2008	88.943
2009	88.953
2010	91.442
2011	94.848
2012	97.587
2013	99.243
2014	99.934
2015	99.994
2016	100.033
2017	102.145
2018	104.207
2019	105.834
2020	107.805
2021	109.825
2022	111.965
2023	114.064
2024	116.26