Year	Index
1997	11.124
1998	14.461
1999	20.405
2000	34.688
2001	62.696
2002	68.256
2003	70.236
2004	77.683
2005	90.308
2006	100
2007	106.002
2008	119.158
2009	128.83
2010	136.744
2011	151.973
2012	163.114
2013	175.664
2014	179.322
2015	181.819
2016	183.86
2017	189.616
2018	193.333
2019	197.211
2020	202.141
2021	208.122
2022	214.366
2023	220.797
2024	227.42