Year	2015 = 100
1980	41.0719029766
1981	32.9587656469
1982	30.3970189174
1983	26.5200798694
1984	28.7001828587
1985	33.3560877355
1986	33.6750053876
1987	31.81218021
1988	28.3773760673
2000	51.2503002492
2001	55.2203594015
2002	66.6470893424
2003	84.2557768189
2004	99.0930996457
2005	102.350738573
2006	93.7277075576
2007	101.5772656079
2008	112.421631622
2009	99.0013853884
2010	116.2424650188
2011	115.0020066978
2012	122.1324973592
2013	122.5328843336
2014	113.722400835
2015	100
2016	83.0427279273
2017	112.1040806616
2018	120.5125426087
2019	110.9015955844
2020	91.9254568729
2021	60.7617294406
