Year	Index
1982	0.001
1983	0.004
1984	0.082
1985	6.751
1986	11.115
1987	12.301
1988	14.946
1989	17.421
1990	20.559
1991	23.732
1992	26.215
1993	28.655
1994	31.098
1995	35.008
1996	37.791
1997	40.334
1998	42.107
1999	43.426
2000	44.908
2001	45.323
2002	46.432
2003	48.261
2004	50.491
2005	52.97
2006	54.553
2007	60.95
2008	68.171
2009	68.353
2010	73.261
2011	78.317
2012	81.877
2013	87.179
2014	91.711
2015	94.418
2016	98.196
2017	100.86
2018	102.78
2019	105.864
2020	110.099
2021	114.503
2022	119.656
2023	125.041
2024	130.668
