Year	2015 = 100
1980	34.7114484848
1981	36.5505035898
1982	41.1519068447
1983	29.5911092313
1984	25.1997691704
1985	34.1131390263
1986	26.6858698234
1987	33.2952939253
1988	30.562416348
1989	39.7601307365
1990	32.6519268543
1991	28.5221260764
1992	20.8254223456
1993	24.8550407086
1994	27.5714736122
1995	18.4216246975
1996	24.0942064643
1997	22.0411820928
1998	35.5579773735
1999	47.4313146955
2000	35.0425062763
2001	41.906440583
2002	41.3666604641
2003	38.3310484112
2004	46.1595542304
2005	44.2966335177
2006	56.4677288377
2007	64.2230313869
2008	68.164079251
2009	71.333240573
2010	87.1237171682
2011	92.424350078
2012	105.4438221972
2013	126.7566960656
2014	121.8291256075
2015	100
2016	104.5093733283
2017	109.0735772107
2018	120.2130968027
2019	99.15920293
2020	106.6623895746
2021	107.2406847019
