Year	2015 = 100
1980	9.6533643831
1981	9.3264943242
1982	12.5211947511
1983	11.6636029572
1984	14.2609944282
1985	13.108966827
1986	13.2850475886
1987	12.079736628
1988	11.3985278511
1989	10.193022787
1990	11.7495986078
1991	13.6366109601
1992	13.2463915347
1993	13.9727423115
1994	16.2751463946
1995	15.2097082627
1996	9.7787147018
1997	8.8008204976
1998	16.1964585302
1999	18.2563298069
2000	25.8384251137
2001	24.9631603383
2002	23.1947027911
2003	26.0623628167
2004	26.9463847925
2005	38.391204722
2006	58.1292929833
2007	39.4762189492
2008	45.3121294156
2009	47.7297989172
2010	58.5299745058
2011	73.9721185616
2012	74.1409640397
2013	82.0051325603
2014	79.1963187314
2015	100
2016	75.3135641458
2017	89.1771538805
2018	87.4853317069
2019	99.9337622929
2020	102.24867075
2021	102.649435188