Year	Index
1980	56.151
1981	62.454
1982	66.725
1983	70.059
1984	72.429
1985	75.437
1986	76.036
1987	77.573
1988	81.701
1989	81.701
1990	83.373
1991	86.062
1992	88.125
1993	89.423
1994	91.72
1995	94.371
1996	100.434
1997	101.464
1998	100.605
1999	99.39
2000	100
2001	101.149
2002	103.37
2003	106.079
2004	109.333
2005	113.325
2006	118.131
2007	120.869
2008	128.598
2009	127.178
2010	128.345
2011	130.521
2012	132.097
2013	132.771
2014	134.366
2015	133.208
2016	134.092
2017	135.631
2018	136.03
2019	137.662
2020	139.865
2021	142.662
2022	145.515
2023	148.425
2024	151.394