Year	Index
1980	0.247
1981	0.328
1982	0.383
1983	0.425
1984	0.511
1985	0.553
1986	0.617
1987	0.728
1988	0.925
1989	1.083
1990	1.288
1991	1.669
1992	2.156
1993	3.18
1994	4.291
1995	5.964
1996	7.656
1997	9.09
1998	10.033
1999	13.266
2000	16.394
2001	19.21
2002	23.738
2003	26.67
2004	32.981
2005	39.632
2006	45.411
2007	55.828
2008	66.671
2009	69.737
2010	80.813
2011	100
2012	124.016
2013	168.125
2014	186.347
2015	187.147
2016	190.146
2017	213.333
2018	284.154
2019	387.598
2020	507.811
2021	652.935
2022	827.505
2023	1037.14
2024	1304.60