Year	Index
1990	37.848
1991	40.333
1992	42.253
1993	44.258
1994	46.732
1995	49.371
1996	50.946
1997	52.859
1998	54.315
1999	55.852
2000	56.795
2001	58.431
2002	59.366
2003	62.015
2004	62.794
2005	64.976
2006	67.157
2007	70.585
2008	73.468
2009	76.506
2010	80.377
2011	83.504
2012	88.445
2013	93.478
2014	97.941
2015	101.74
2016	106.03
2017	112.554
2018	120.988
2019	129.156
2020	135.892
2021	141.874
2022	147.955
2023	153.995
2024	160.084