Year	2015 = 100
1980	23.5890082335
1981	18.5809521736
1982	16.8412679044
1983	12.0864079451
1984	11.6024221014
1985	12.3402038321
1986	13.3587290577
1987	18.1479482852
1988	20.8810095384
1989	20.2161876963
1990	24.9070845814
1991	19.0164408981
1992	16.9076301311
1993	7.6874363121
1994	9.5116478063
1995	25.407221082
1996	28.4416558146
1997	27.6273846492
1998	25.1578154888
1999	25.5450234604
2000	24.0690526158
2001	23.6734112646
2002	25.3001556298
2003	33.1770230328
2004	37.6719745212
2005	45.3867668208
2006	46.4329774861
2007	52.9597755039
2008	64.6154416135
2009	64.5785830125
2010	72.0345831735
2011	93.6351481958
2012	101.9061586346
2013	118.3141443257
2014	108.1447660435
2015	100
2016	96.7702755453
2017	80.2355675679
2018	90.5917610513
2019	89.5108312108
2020	96.4119811489
2021	112.6715414407