Year	Index
1989	3.391
1990	3.385
1991	4.594
1992	14.976
1993	27.706
1994	33.958
1995	36.605
1996	41.266
1997	54.953
1998	66.298
1999	66.556
2000	66.582
2001	68.66
2002	72.231
2003	73.938
2004	76.058
2005	77.855
2006	79.7
2007	82.059
2008	84.775
2009	86.667
2010	89.8
2011	92.892
2012	94.783
2013	96.608
2014	98.167
2015	100
2016	101.282
2017	103.295
2018	105.39
2019	107.498
2020	110.077
2021	113.16
2022	116.554
2023	120.051
2024	123.653