Year	2015 = 100
1980	4.0412928536
1981	4.0410722221
1982	4.143697317
1983	4.1310741895
1984	5.4548399473
1985	4.7957177414
1986	4.80183496
1987	6.1364358541
1988	5.6577616315
1989	5.7588203558
1990	6.0924932739
1991	5.9595616008
1992	7.2185304203
1993	8.3860293274
1994	10.1866809019
1995	12.6442642063
1996	13.2912830612
1997	14.6546470313
1998	17.2068647827
1999	17.8283898211
2000	18.7705949032
2001	19.0441809414
2002	19.8687863713
2003	24.4798091754
2004	28.6490438042
2005	36.7589843911
2006	40.9483154006
2007	46.5880817003
2008	58.7969102824
2009	60.9399427768
2010	74.7586069914
2011	82.0027225227
2012	86.7176737561
2013	86.4795994122
2014	89.4759503025
2015	100
2016	99.5397946987
2017	109.5761609713
2018	113.3078947036
2019	113.4494492783
2020	96.2088865231
2021	113.3848038187
