Year	2015 = 100
1980	12.0512009611
1981	9.7896492732
1982	9.0057976937
1983	9.4949249122
1984	10.4180814027
1985	10.6596826937
1986	12.0741048806
1987	13.567417048
1988	16.3428812655
1989	16.4101907442
1990	13.3698123138
1991	15.6343789063
1992	21.1534054589
1993	29.1058565743
1994	30.8543838348
1995	31.3910788322
1996	29.7421856507
1997	25.4290133006
1998	20.8534471353
1999	22.6674898875
2000	24.4872111383
2001	21.3535096567
2002	19.4133569786
2003	26.1065288132
2004	30.1891305871
2005	38.7259206586
2006	49.2827172688
2007	55.3790555577
2008	67.5883535401
2009	51.9844981849
2010	67.9248872086
2011	81.7270671339
2012	74.8572656808
2013	70.4015276121
2014	104.0375540474
2015	100
2016	96.9370667569
2017	117.7308542084
2018	124.4967580898
2019	134.8576821103
2020	109.8843562437
2021	123.4245753144
