Year	2015 = 100
1980	54.8141255421
1981	50.7836751346
1982	45.9471346456
1983	52.3958552976
1984	62.0689362756
1985	51.5897652161
1986	44.3349544826
1987	49.1714949716
1988	53.2019453791
1989	54.8141255421
1990	60.4567561126
1991	59.6506660311
1992	70.1298370906
1993	70.1298370906
1994	71.7420172536
1995	79.8029180687
1996	82.2211883132
1997	84.6394585577
1998	88.6699089652
1999	81.4150982317
2000	80.6090081502
2001	77.4335604755
2002	73.1801885403
2003	77.3060396122
2004	80.5953298333
2005	83.2
2006	87
2007	89.9
2008	95
2009	94.5
2010	104.8
2011	116.4
2012	107.9
2013	107.8
2014	110.6
2015	100
2016	98.6
2017	101
2018	105.3
2019	98.6
2020	91.6
2021	96.9
2022	97.8