Year	Index
1997	9.057
1998	12.531
1999	14.691
2000	15.33
2001	20.43
2002	32.717
2003	40.605
2004	41.851
2005	46.028
2006	57.443
2007	77.105
2008	88.178
2009	88.072
2010	93.796
2011	96.625
2012	100.602
2013	106.35
2014	110.176
2015	125.15
2016	130.002
2017	134.426
2018	145.97
2019	156.46
2020	167.639
2021	178.054
2022	188.96
2023	200.057
2024	211.807