Year	Index
1980	34.345
1981	39.729
1982	42.945
1983	44.148
1984	49.52
1985	47.812
1986	46.39
1987	54.032
1988	59.323
1989	63.15
1990	62.536
1991	68.958
1992	70.88
1993	72.342
1994	74.015
1995	75.297
1996	76.867
1997	79.309
1998	82.952
1999	85.506
2000	87.369
2001	90.536
2002	93.138
2003	93.882
2004	95.867
2005	96.265
2006	99.996
2007	105.474
2008	113.196
2009	115.809
2010	118.842
2011	122.526
2012	123.033
2013	126.303
2014	128.842
2015	134.631
2016	137.11
2017	142.81
2018	146.86
2019	149.784
2020	153.626
2021	157.566
2022	161.607
2023	165.752
2024	170.003