Year	Index
1980	41.383
1981	44.887
1982	47.36
1983	48.837
1984	49.675
1985	50.193
1986	50.911
1987	51.111
1988	52.906
1989	54.024
1990	57.809
1991	60.353
1992	63.248
1993	65.441
1994	67.721
1995	69.914
1996	72.195
1997	74.301
1998	78.248
1999	80.178
2000	81.143
2001	82.108
2002	83.424
2003	84.389
2004	86.231
2005	89
2006	91.8
2007	93.9
2008	98.1
2009	99.1
2010	101.2
2011	104.2
2012	105.5
2013	108.9
2014	111.8
2015	114.8
2016	116.8
2017	120.9
2018	121.1
2019	123.966
2020	127.128
2021	130.316
2022	133.46
2023	136.552
2024	139.62