Year	2015 = 100
1980	11.0922423655
1981	11.3415145074
1982	11.0665833743
1983	10.6709292346
1984	8.6053136295
1985	7.2973205119
1986	7.0376536728
1987	9.6153922213
1988	11.6807268931
1989	14.9444220291
1990	17.3963405534
1991	17.2061054973
1992	20.7317417326
1993	25.0013281498
1994	30.2889798212
1995	37.9139006224
1996	45.6540059408
1997	51.6688853155
1998	42.135727604
1999	43.5694470947
2000	49.5350954452
2001	46.7172888114
2002	54.9727973714
2003	56.9577985269
2004	61.6754112473
2005	66.2042377439
2006	72.3454959928
2007	77.5866761459
2008	80.8293901672
2009	61.3752127672
2010	78.2181870903
2011	85.7483693911
2012	88.0798158834
2013	87.9451818717
2014	91.9127925292
2015	100
2016	114.9638740995
2017	136.3242168075
2018	154.0063626067
2019	151.0492439212
2020	121.4167415349
2021	166.4041664417