Year	Index
1992	1.538
1993	24.093
1994	51.004
1995	53.827
1996	55.862
1997	59.745
1998	64.677
1999	67.099
2000	70.087
2001	73.021
2002	75.529
2003	78.621
2004	81.556
2005	84.344
2006	87.695
2007	91.311
2008	96.507
2009	99.193
2010	100
2011	101.656
2012	103.229
2013	104.04
2014	104.064
2015	104.09
2016	104.008
2017	105.167
2018	106.713
2019	108.216
2020	109.893
2021	111.779
2022	113.796
2023	116.014
2024	117.792