Year	Index
1980	33.969
1981	36.918
1982	39.646
1983	41.977
1984	43.774
1985	44.541
1986	47.587
1987	50.907
1988	54.438
1989	54.975
1990	54.613
1991	55.473
1992	57.812
1993	59.044
1994	74.369
1995	84.855
1996	87.146
1997	92.637
1998	96.808
1999	97.529
2000	100
2001	104.355
2002	107.569
2003	111.116
2004	112.737
2005	117.116
2006	120.004
2007	122.278
2008	130
2009	131.311
2010	133.105
2011	139.621
2012	141.435
2013	145.089
2014	145.74
2015	147.554
2016	148.622
2017	149.857
2018	150.282
2019	153.288
2020	156.354
2021	159.481
2022	162.67
2023	165.924
2024	169.242