Year	Index
1980	36.13
1981	42.918
1982	46.271
1983	49.092
1984	51.87
1985	53.168
1986	53.464
1987	52.997
1988	55.117
1989	58.2
1990	59.786
1991	61.367
1992	63.685
1993	65.474
1994	69.687
1995	71.797
1996	73.256
1997	74.168
1998	75.21
1999	75.642
2000	77.262
2001	78.553
2002	79.392
2003	81.103
2004	82.978
2005	85.863
2006	89.513
2007	92.968
2008	100.436
2009	100.126
2010	103.567
2011	106.708
2012	109.281
2013	109.233
2014	108.158
2015	107.526
2016	109.371
2017	110.368
2018	111.62
2019	113.5
2020	115.657
2021	117.854
2022	120.093
2023	122.375
2024	124.7