Year	Index
1980	0.001
1981	0.001
1982	0.002
1983	0.009
1984	0.137
1985	17.094
1986	56.413
1987	64.296
1988	75.988
1989	86.008
1990	100
1991	117.689
1992	133.224
1993	141.959
1994	153.248
1995	170.76
1996	190.535
1997	201.405
1998	215.606
1999	220.805
2000	232.277
2001	236.621
2002	243.295
2003	258.696
2004	279.308
2005	295.901
2006	325.122
2007	346.915
2008	386.372
2009	371.982
2010	402.188
2011	456.699
2012	507.757
2013	535.061
2014	555.272
2015	530.419
2016	527.028
2017	564.662
2018	589.069
2019	597.564
2020	619.427
2021	644.165
2022	672.56
2023	702.558
2024	737.685