Year	2015 = 100
1980	17.5684947257
1981	27.3819331513
1982	30.6551639095
1983	26.1385797011
1984	31.8759246048
1985	35.1064059867
1986	36.9154297201
1987	30.8889498449
1988	36.7172485493
1989	25.8744773166
1990	32.075746514
1991	38.389286091
1992	48.1027317477
1993	39.5815769344
1994	55.1818112291
1995	45.2864225998
1996	27.8592114395
1997	61.8324889095
1998	59.1169056179
1999	78.2300505728
2000	94.3484484048
2001	89.811302556
2002	68.6765562842
2003	78.4259665883
2004	86.0224129759
2005	81.1688060616
2006	71.268703765
2007	65.999520825
2008	54.3185424469
2009	65.3485672244
2010	79.8237408704
2011	76.1965401701
2012	87.7995813803
2013	72.7456093362
2014	104.723721217
2015	100
2016	101.2955417566
2017	129.036755375
2018	140.85820111
2019	138.590188856
2020	110.4472810576
2021	94.2242809972