Year	Index
1980	0.036
1981	0.04
1982	0.043
1983	0.044
1984	0.045
1985	0.045
1986	0.048
1987	0.057
1988	0.061
1989	0.07
1990	0.102
1991	0.136
1992	0.178
1993	0.436
1994	2.61
1995	8.867
1996	8.979
1997	9.003
1998	10.581
1999	18.266
2000	30.036
2001	40.61
2002	53.256
2003	65.208
2004	73.868
2005	84.205
2006	93.961
2007	100
2008	115.522
2009	123.012
2010	131.867
2011	150.125
2012	166.228
2013	166.87
2014	169.523
2015	166.003
2016	211.917
2017	242.817
2018	264.975
2019	281.871
2020	299.626
2021	326.15
2022	339.899
2023	351.999
2024	364.159