Year	Index
1985	29.848
1986	30.649
1987	34.069
1988	35.157
1989	39.464
1990	42.781
1991	43.025
1992	45.941
1993	47.949
1994	50.907
1995	51.778
1996	54.738
1997	56.828
1998	58.047
1999	57.707
2000	59.293
2001	59.98
2002	65.9
2003	65.9
2004	76
2005	76.8
2006	78.4
2007	84.7
2008	92.2
2009	101.4
2010	101.1
2011	104
2012	109.7
2013	107.8
2014	108
2015	108.4
2016	110.841
2017	111.973
2018	118.447
2019	123.777
2020	128.728
2021	132.59
2022	136.302
2023	140.119
2024	144.042