Year	2015 = 100
1980	168.1818181945
1981	133.5909090961
1982	78.5000000081
1983	103.4545454583
1984	184.2727272847
1985	104.8181818125
1986	295.4545454862
1987	131.8181818287
1988	140
1989	229.0909090972
1990	272.7272726851
1991	221.5681818223
1992	381.6454544492
1993	160.3272727259
1994	146.9818181917
1995	254.2681817706
1996	309.0909090277
1997	259.0909091436
1998	204.5454545602
1999	231.8181818287
2000	231.8181818287
2001	163.6363636343
2002	254.5454546298
2003	236.3636363426
2004	331.8181818287
2005	222.7272727315
2006	122.7272727315
2007	122.8818181938
2008	109.0909090972
2009	130.3181818137
2010	66.7272727408
2011	61.318181816
2012	50
2013	54.545454537
2014	100
2015	100
2016	86.3636363657
2017	81.8181818287
2018	81.8181818287
2019	86.3636363657
2020	50
2021	54.545454537