Year	2015 = 100
1980	18.4168798207
1981	19.7858846371
1982	19.7655830188
1983	17.0445566785
1984	22.664474225
1985	20.3951628858
1986	19.682509806
1987	19.5658323542
1988	20.5259637257
1989	23.8775657312
1990	22.2945743111
1991	21.6516238272
1992	23.3317276189
1993	25.7305595994
1994	27.9550733019
1995	35.2437639775
1996	34.3143027066
1997	34.5976759388
1998	34.4716882114
1999	36.2342666004
2000	35.5442889322
2001	37.903275772
2002	36.0923056251
2003	39.5380526299
2004	41.9637690381
2005	45.1430861121
2006	48.9283171892
2007	50.6098860063
2008	54.1758166404
2009	55.4083393136
2010	62.6852173709
2011	69.0038902122
2012	69.2343005203
2013	76.9427945131
2014	85.975124955
2015	100
2016	108.2020551288
2017	121.8210733978
2018	132.3334515027
2019	133.06755051
2020	117.0281202493
2021	148.6773428393