Year	2015 = 100
1980	3.0547934929
1981	3.6207076923
1982	3.0780955206
1983	2.9059234883
1984	3.3164299682
1985	4.0159290648
1986	5.6099447731
1987	10.0738169599
1988	13.6729574945
1989	12.7440174343
1990	12.7428486803
1991	11.5404567756
1992	12.0852238382
1993	11.9278621078
1994	12.1228065736
1995	18.8129377148
1996	18.2637292997
1997	21.4335140997
1998	19.6647934835
1999	21.0962680724
2000	18.7561230548
2001	19.3024179087
2002	20.5232047798
2003	24.1975839228
2004	33.3239856192
2005	47.0177764437
2006	75.4482349213
2007	122.8296616246
2008	94.948775746
2009	90.2927047797
2010	116.7814492913
2011	122.8515134271
2012	97.4608215504
2013	98.9861894789
2014	106.1775700505
2015	100
2016	95.5486074961
2017	104.2929669974
2018	110.2688863303
2019	122.7954271423
2020	118.585679056
2021	142.8205931217