Year	2015 = 100
1980	5.1447536505
1981	5.5494346879
1982	5.9426921277
1983	6.977144222
1984	6.2641462262
1985	6.814433075
1986	6.9102861002
1987	8.5764031634
1988	10.1850565139
1989	8.7423159256
1990	10.1022203807
1991	11.0736773319
1992	11.6667275281
1993	13.3785690555
1994	17.3670288953
1995	20.0403422748
1996	21.0175532622
1997	25.4525877491
1998	18.73238295
1999	21.3783696272
2000	23.6485059243
2001	22.1451044045
2002	21.3332675821
2003	26.369662667
2004	29.1293365827
2005	34.3265655608
2006	37.4619244659
2007	46.9291294946
2008	53.9728362274
2009	65.9153167024
2010	77.1759444175
2011	86.8079072154
2012	91.1909390398
2013	98.7869353684
2014	114.1095268524
2015	100
2016	134.3262348128
2017	155.5269324393
2018	191.1151375378
2019	185.5153126584
2020	148.1738256819
2021	238.9303417151