Year	2015 = 100
1980	27.1745893603
1981	30.5202809076
1982	24.6104663624
1983	23.4122997298
1984	21.7454723442
1985	21.3428929972
1986	21.0127759978
1987	18.3135897558
1988	22.3152613422
1989	27.973463795
1990	36.4428089965
1991	31.5135806729
1992	30.4648827418
1993	34.8105933777
1994	40.053937996
1995	42.8665825645
1996	47.4319697488
1997	46.3747221605
1998	34.6969423966
1999	43.3952063387
2000	39.8870667428
2001	42.5782423495
2002	43.299092947
2003	57.9083318408
2004	69.4899982169
2005	77.2271280064
2006	86.7055445667
2007	86.5246591122
2008	108.7946176574
2009	69.1902685291
2010	86.9085841356
2011	104.8535832474
2012	108.2524418933
2013	135.7952784461
2014	156.2065958089
2015	100
2016	111.3190364868
2017	116.2942031719
2018	130.6945876405
2019	131.4016459684
2020	83.1644860948
2021	101.6711720086
