Year	Index
1998	59.692
1999	58.714
2000	59.074
2001	58.841
2002	60.865
2003	64.795
2004	68.345
2005	70.547
2006	65.836
2007	65.167
2008	67.098
2009	90.042
2010	93.727
2011	96.115
2012	99.994
2013	109.379
2014	109.099
2015	109.747
2016	113.537
2017	143.003
2018	268.287
2019	436.392
2020	465.188
2021	485.999
2022	505.422
2023	525.204
2024	545.786