Year	2015 = 100
1980	6.5393879373
1981	4.736385572
1982	5.0093311907
1983	5.492972489
1984	3.6982412039
1985	10.0247959925
1986	7.4489278641
1987	12.1191138249
1988	5.0936528311
1989	10.6120890921
1990	8.7274136923
1991	6.4160807028
1992	6.8589087155
1993	6.0144067315
1994	6.7220641722
1995	13.383395187
1996	18.9566622767
1997	20.8048006656
1998	15.6099526576
1999	17.1317011236
2000	16.4611516818
2001	14.9646833472
2002	15.7727762481
2003	19.0679995149
2004	22.5876930411
2005	26.3602897099
2006	30.9035675741
2007	28.7606249218
2008	47.8600502731
2009	52.5559679194
2010	66.5883514865
2011	102.5784149467
2012	84.3379624
2013	103.1261223527
2014	120.2474230737
2015	100
2016	89.5216483989
2017	74.8487095344
2018	113.0998999998
2019	92.3090760042
2020	78.8617841557
2021	80.8655898946
