Year	2015 = 100
1980	40.7156116959
1981	42.2566466755
1982	38.6579630964
1983	37.2871757945
1984	37.5807062632
1985	37.7509539345
1986	24.230940418
1987	27.7973356479
1988	24.7416834383
1989	30.0046847943
1990	43.1695264434
1991	39.0777116686
1992	35.6551463732
1993	31.8891504227
1994	29.1945406929
1995	29.5898234656
1996	38.2196838586
1997	40.0776610134
1998	29.4479058517
1999	36.1292160821
2000	63.5493470753
2001	55.1892234936
2002	54.225799009
2003	66.8137763724
2004	90.2965270364
2005	132.6941271614
2006	157.5314411189
2007	173.5409022567
2008	228.7354332584
2009	130.3047479071
2010	164.5684377503
2011	211.9793469198
2012	207.2977962249
2013	187.4177916273
2014	173.2462213288
2015	100
2016	86.6101303925
2017	101.5085958531
2018	120.5636321868
2019	103.3331602673
2020	68.6425522018
2021	105.861313057