Year	2015 = 100
1980	75.0021867621
1981	72.5564632808
1982	71.7412221203
1983	66.0345339971
1984	69.2954986389
1985	70.1107397994
1986	70.9259809598
1987	74.1869456017
1988	75.8174279226
1989	79.8936337249
1990	82.3393572062
1991	84.7850806876
1992	85.6003218481
1993	85.6003218481
1994	86.4155630085
1995	89.6765276504
1996	89.6765276504
1997	88.0460453295
1998	84.7850806876
1999	82.3393572062
2000	81.5241160458
2001	79.5675372607
2002	77.4192137547
2003	76.4127639758
2004	77.2976237802
2005	78
2006	78.9
2007	80.3
2008	83.6
2009	84.8
2010	89.1
2011	96.6
2012	100.8
2013	100.6
2014	100.7
2015	100
2016	99
2017	100.2
2018	102
2019	103.6
2020	105.5
2021	110.6
2022	117.9