Year	Index
1980	45.867
1981	51.533
1982	56.5
1983	59.133
1984	61.3
1985	63.833
1986	66.633
1987	69.433
1988	72.271
1989	76.031
1990	79.769
1991	83.049
1992	84.533
1993	86.067
1994	86.1
1995	87.867
1996	89.667
1997	90.567
1998	91.6
1999	93.767
2000	96.7
2001	97.733
2002	101.467
2003	103.2
2004	105.567
2005	108
2006	109.5
2007	112.233
2008	114.3
2009	115.2
2010	117.767
2011	120.9
2012	122.1
2013	123.267
2014	125.7
2015	127.3
2016	129.1
2017	131.467
2018	134.167
2019	136.598
2020	139.228
2021	142.097
2022	145.209
2023	148.243
2024	151.144