Year	2015 = 100
1980	21.7037959381
1981	22.658371589
1982	20.6971429599
1983	25.2236621496
1984	20.7816590284
1985	21.9180669593
1986	27.1394765459
1987	31.4126228787
1988	38.7511423914
1989	48.1678453368
1990	47.5637834116
1991	51.7850277597
1992	53.7138176538
1993	52.6357994472
1994	53.0645168383
1995	53.839718982
1996	54.8919610437
1997	58.224060918
1998	57.5225662102
1999	62.2576555
2000	62.2576555
2001	62.2576555
2002	54.1904663359
2003	70.6755920429
2004	73.9343857193
2005	85.1921481898
2006	103.8857546023
2007	107.6633035938
2008	114.9990091476
2009	91.2662154912
2010	116.1834829582
2011	122.2105501501
2012	112.8701480892
2013	108.805512363
2014	110.0158385406
2015	100
2016	114.8262660683
2017	114.8709863648
2018	115.5323204894
2019	104.9332615708
2020	88.4753187889
2021	105.4735878561
