Year	2015 = 100
1980	30.2167698978
1981	25.9457458458
1982	23.732356723
1983	16.4677983079
1984	14.6814097914
1985	18.7998863706
1986	18.7486300112
1987	15.8163793362
1988	19.6856492195
1989	18.4802339933
1990	19.7889254424
1991	18.0852495248
1992	24.3612269673
1993	19.0762227987
1994	16.6943035759
1995	18.9105078828
1996	22.6835701911
1997	18.9092931987
1998	23.8397977431
1999	20.7725175883
2000	20.0037236972
2001	20.8581528293
2002	23.6863426374
2003	31.4805664937
2004	37.9588824336
2005	47.7269681647
2006	48.0306392331
2007	58.1385835089
2008	85.8597022808
2009	111.3460551304
2010	125.3083949228
2011	110.959365208
2012	96.3110779664
2013	102.127249848
2014	110.8635988411
2015	100
2016	86.8156364481
2017	98.772706119
2018	115.4645242443
2019	117.7292790088
2020	122.2152734176
2021	138.7390569432