Year	2015 = 100
1980	39.3063132672
1981	29.9438424077
1982	24.5318694293
1983	27.4298676091
1984	23.8175289223
1985	22.179868844
1986	24.7999253507
1987	30.2230673245
1988	32.6859499098
1989	38.3001530157
1990	44.6215675076
1991	47.9311550724
1992	51.892821931
1993	61.8757662327
1994	50.4073454148
1995	43.4103214541
1996	61.4029138834
1997	66.1641119567
1998	54.2943178607
1999	45.6932213284
2000	44.5060753103
2001	31.8920539653
2002	38.2254826808
2003	37.2408750171
2004	54.470438192
2005	61.7799065554
2006	61.7106484263
2007	76.3848012593
2008	76.6863477665
2009	72.3380803979
2010	67.8367788004
2011	81.0776931884
2012	90.4468170429
2013	83.3586890527
2014	92.1543064191
2015	100
2016	79.9788332933
2017	130.525608854
2018	161.2207587953
2019	147.7382739757
2020	138.472442313
2021	144.5519246234