Year	Index
1980	49.418
1981	53.026
1982	55.28
1983	56.442
1984	57.335
1985	57.924
1986	57.885
1987	58.462
1988	58.672
1989	58.74
1990	59.192
1991	60.108
1992	61.16
1993	61.453
1994	62.271
1995	62.856
1996	63.65
1997	64.449
1998	64.854
1999	65.697
2000	66.647
2001	66.856
2002	67.524
2003	67.563
2004	67.884
2005	69.825
2006	71.542
2007	74.524
2008	81.051
2009	83.004
2010	85.902
2011	90.949
2012	96.131
2013	100.003
2014	102.629
2015	102.767
2016	103.527
2017	104.433
2018	105.229
2019	106.807
2020	108.943
2021	111.152
2022	113.384
2023	115.658
2024	117.971