Year	2015 = 100
1980	22.8173334692
1981	24.8545797817
1982	32.763818603
1983	40.7762383091
1984	39.4528893542
1985	34.1415971688
1986	33.4760064178
1987	28.6527314428
1988	28.2821917874
1989	32.1524198367
1990	31.3453820374
1991	29.8025734054
1992	27.6867849835
1993	31.8339258838
1994	40.6288831481
1995	43.4343566895
1996	46.0994487902
1997	57.6873253983
1998	61.7101628234
1999	67.7582107687
2000	70.4077663889
2001	80.5623688115
2002	86.6090089817
2003	92.5647937028
2004	98.98567164
2005	92.5287575998
2006	85.353809105
2007	80.4119185391
2008	84.9447632168
2009	92.1026450803
2010	86.5318732604
2011	80.213766301
2012	79.4584112945
2013	85.888072671
2014	90.2071601444
2015	100
2016	103.8710387806
2017	110.3194396066
2018	123.500924712
2019	144.8548854077
2020	138.7245745489
2021	153.3097703511