Year	Index
1980	45.502
1981	51.087
1982	54.594
1983	57.57
1984	60.506
1985	61.933
1986	61.647
1987	65.521
1988	68.416
1989	72.901
1990	75.388
1991	81.503
1992	84.194
1993	83.379
1994	84.046
1995	86.431
1996	87.993
1997	91.118
1998	92.681
1999	95.395
2000	99.013
2001	98.7
2002	99.6
2003	99.9
2004	104.2
2005	111.9
2006	118.2
2007	123.7
2008	132.7
2009	138.5
2010	147.5
2011	161.6
2012	165.5
2013	167.5
2014	171.5
2015	167.2
2016	173.6
2017	185
2018	185
2019	187.682
2020	192.006
2021	196.557
2022	201.106
2023	205.855
2024	210.635