Year	2015 = 100
1980	27.3352773002
1981	26.1945526084
1982	22.0792799757
1983	21.167088979
1984	29.1061589022
1985	22.73081853
1986	22.7464613786
1987	25.6073441146
1988	26.6635603976
1989	24.7106108419
1990	38.5897982168
1991	43.433250109
1992	36.6752615673
1993	29.6233910988
1994	31.6700126286
1995	37.5227872145
1996	44.5014864381
1997	49.699981762
1998	39.9199704579
1999	41.913765468
2000	35.1146790921
2001	41.5701864874
2002	37.6934194128
2003	48.6308224787
2004	44.737760648
2005	47.1060576785
2006	61.884675611
2007	80.4146093889
2008	81.381185667
2009	109.982029459
2010	98.713361077
2011	131.9588631169
2012	109.5221650582
2013	111.8399112777
2014	126.7962318545
2015	100
2016	94.6350387642
2017	81.8304941036
2018	81.4714986903
2019	84.5136126323
2020	72.2844473064
2021	93.1950217321