Year	2015 = 100
1980	15.8551938847
1981	17.7616939604
1982	14.0773759946
1983	13.147752032
1984	12.7671767871
1985	12.3490129873
1986	12.5027778899
1987	15.1985665795
1988	17.0156073124
1989	20.8163147987
1990	25.0619741433
1991	26.2861246907
1992	28.557070326
1993	26.6265533685
1994	33.0929218526
1995	38.9051499859
1996	39.1993212909
1997	39.5045773147
1998	40.7687323139
1999	41.7228705408
2000	41.5687503667
2001	47.1171480513
2002	48.8457953016
2003	57.0351265302
2004	68.8162610038
2005	74.5631887954
2006	83.0952295958
2007	107.7590421609
2008	137.2796371955
2009	102.6411720239
2010	116.72033148
2011	126.8131642516
2012	120.8478888668
2013	121.2252743835
2014	119.0584692674
2015	100
2016	96.4370164112
2017	100.9273531366
2018	110.3832746696
2019	106.1111824468
2020	98.0478976458
2021	118.5845087773