Year	Index
1980	45.089
1981	48.446
1982	50.417
1983	51.765
1984	52.803
1985	54.67
1986	56.33
1987	57.99
1988	60.998
1989	65.978
1990	69.037
1991	70.421
1992	73.46
1993	74.631
1994	74.454
1995	75.495
1996	77.028
1997	78.702
1998	79.913
1999	79.879
2000	80.764
2001	81.676
2002	81.968
2003	84.289
2004	84.979
2005	87.275
2006	88.842
2007	94.182
2008	96.081
2009	99.132
2010	99.18
2011	101.1
2012	102.38
2013	101.93
2014	102.4
2015	101.73
2016	101.547
2017	102.945
2018	104.343
2019	106.181
2020	108.125
2021	110.288
2022	112.493
2023	114.743
2024	117.038