Year	Index
1980	54.91
1981	60.11
1982	62.06
1983	62.27
1984	63.35
1985	63.484
1986	63.334
1987	64.65
1988	66.316
1989	68.194
1990	71.173
1991	72.766
1992	73.847
1993	74.561
1994	75.633
1995	77.081
1996	79.634
1997	81.136
1998	81.184
1999	81.729
2000	84.244
2001	84.735
2002	84.896
2003	86.074
2004	88.257
2005	93.209
2006	98.041
2007	102.186
2008	107.51
2009	107.809
2010	110.476
2011	113.679
2012	115.209
2013	116.431
2014	117.09
2015	116.211
2016	115.87
2017	117.9
2018	120.853
2019	121.273
2020	122.84
2021	124.403
2022	126.015
2023	127.748
2024	129.556