Year	2015 = 100
1980	22.9882117534
1981	23.1290236739
1982	22.7231599116
1983	23.0611787788
1984	25.1624021631
1985	26.308265135
1986	26.6446338714
1987	27.9096445254
1988	30.0046403601
1989	31.9645542895
1990	33.6567095643
1991	34.4654576528
1992	35.9714320434
1993	37.6905990492
1994	41.0180201908
1995	39.2008854888
1996	42.9522037373
1997	50.7401632813
1998	52.0816152748
1999	54.126836336
2000	64.4758636059
2001	60.6054085394
2002	58.1999012654
2003	59.943432288
2004	64.8585441043
2005	69.506043207
2006	76.4225857993
2007	81.5494247138
2008	86.2393703407
2009	74.1736178369
2010	85.640055067
2011	91.913935456
2012	95.4730377506
2013	97.9330971114
2014	101.0028660289
2015	100
2016	99.79008419
2017	103.8302173048
2018	108.1242323854
2019	107.6193386613
2020	95.9952099101
2021	103.7712732769