Year	2015 = 100
1980	18.3688840894
1981	20.3162855821
1982	21.2663936765
1983	19.2385755141
1984	22.4113581893
1985	24.5054389031
1986	25.9842945526
1987	26.8556585271
1988	26.3003911391
1989	26.7176534834
1990	29.9896247278
1991	31.579110544
1992	33.1950952808
1993	38.6505675462
1994	42.3947231112
1995	45.1236079917
1996	47.225393671
1997	51.9660532397
1998	51.4257926572
1999	53.5036431431
2000	63.873614332
2001	58.9724121703
2002	60.8848316238
2003	62.8615085147
2004	67.7283432035
2005	72.3513905998
2006	75.0204230293
2007	81.6713945096
2008	84.3925694616
2009	73.6604283963
2010	77.8577544484
2011	83.3472824258
2012	82.4575897261
2013	89.7666045549
2014	96.8692966871
2015	100
2016	99.1343424304
2017	106.6450035769
2018	107.0827560274
2019	114.8175185163
2020	103.9935241915
2021	118.2973877085