Year	2015 = 100
1980	28.0713654367
1981	33.239335117
1982	29.1299778945
1983	26.2896015332
1984	28.0452507372
1985	25.0398842935
1986	19.3849238662
1987	21.8715427951
1988	20.9026391565
1989	25.2563783637
1990	29.9166428607
1991	33.1685675114
1992	34.3604132913
1993	31.095673094
1994	30.2081763817
1995	29.9449005442
1996	34.4291039263
1997	32.4463603463
1998	28.7402312937
1999	29.8012783734
2000	37.3420871889
2001	34.7046618413
2002	40.4028030227
2003	45.5946478294
2004	59.5166574516
2005	75.7044317846
2006	84.7480427191
2007	92.5887494888
2008	120.7328923532
2009	81.4020168713
2010	98.8107650183
2011	102.5987796519
2012	87.7801308392
2013	80.5720789758
2014	98.4555867642
2015	100
2016	93.3220853465
2017	105.9467227918
2018	119.8565107222
2019	106.834866396
2020	102.2173625321
2021	114.3466030448