Year	Index
1980	43.218
1981	46.115
1982	50.873
1983	55.537
1984	58.926
1985	60.371
1986	61.85
1987	63.844
1988	65.081
1989	68.96
1990	70.46
1991	80.161
1992	74.937
1993	77.002
1994	79.918
1995	86.568
1996	89.381
1997	90.036
1998	91.376
1999	96.686
2000	100
2001	108.631
2002	113.161
2003	118.961
2004	121.067
2005	123.851
2006	126.328
2007	132.876
2008	140.192
2009	146.589
2010	152.97
2011	160.157
2012	164.299
2013	169.439
2014	173.29
2015	174.241
2016	179.762
2017	181.971
2018	186.034
2019	189.849
2020	194.268
2021	198.747
2022	203.335
2023	208.009
2024	212.793