Year	Index
1990	29.746
1991	34.642
1992	38.08
1993	42.616
1994	47.343
1995	48.689
1996	49.593
1997	55.583
1998	65.838
1999	69.456
2000	73.209
2001	76.898
2002	83.014
2003	89.483
2004	100
2005	109.555
2006	129.776
2007	134.144
2008	146.806
2009	148.453
2010	176.477
2011	204.543
2012	206.564
2013	212.787
2014	193.303
2015	185.137
2016	191.383
2017	197.853
2018	202.942
2019	214.137
2020	220.228
2021	227.761
2022	234.682
2023	241.403
2024	248.734