Year	2015 = 100
1980	54.5948318158
1981	71.5115402633
1982	122.8906354487
1983	13.8843619825
1984	144.3993836673
1985	64.3464521155
1986	139.1377028663
1987	121.3225328847
1988	79.2802399223
1989	73.6470899481
1990	47.0970974048
1991	60.3362887995
1992	85.1576891342
1993	97.3780587286
1994	51.8491402549
1995	21.7844701229
1996	28.4336362717
1997	19.6876426182
1998	29.0877665734
1999	17.0188629254
2000	24.7062833101
2001	13.9889362852
2002	26.044458059
2003	6.8397306359
2004	24.3133838128
2005	9.6331756006
2006	13.6925620207
2007	14.0002687263
2008	11.3389824171
2009	61.1806001888
2010	57.1937609137
2011	71.9177838021
2012	91.7686090967
2013	81.0956125557
2014	93.7732021879
2015	100
2016	94.7339371691
2017	103.5951536173
2018	111.9154504518
2019	111.4078576623
2020	51.3956856029
2021	23.3444924722