Year	Index
1980	31.268
1981	35.079
1982	38.064
1983	40.043
1984	41.824
1985	43.982
1986	45.577
1987	47.43
1988	49.618
1989	52.206
1990	55.86
1991	60.06
1992	62.602
1993	64.188
1994	65.467
1995	67.189
1996	68.819
1997	70.074
1998	71.166
1999	72.111
2000	72.685
2001	73.582
2002	74.508
2003	75.523
2004	76.538
2005	78.112
2006	79.931
2007	81.788
2008	84.733
2009	86.568
2010	89.423
2011	93.415
2012	96.057
2013	98.521
2014	99.96
2015	100
2016	100.66
2017	103.361
2018	105.922
2019	107.867
2020	110.03
2021	112.245
2022	114.503
2023	116.793
2024	119.129