Year	2015 = 100
1980	58.3939820921
1981	54.0685019371
1982	45.4175416272
1983	43.9757149089
1984	42.5338881905
1985	38.2084080356
1986	44.696628268
1987	59.1148954513
1988	64.8822023246
1989	65.6031156837
1990	75.695902712
1991	72.8122492753
1992	72.8122492753
1993	72.0913359162
1994	74.2540759937
1995	78.5795561486
1996	75.695902712
1997	77.8586427895
1998	72.8122492753
1999	73.5331626345
2000	72.0913359162
2001	70.8764082286
2002	68.9020768678
2003	70.5466201981
2004	76.1247809901
2005	80.2
2006	73.9
2007	78.8
2008	69
2009	56.4
2010	63
2011	82.5
2012	88.2
2013	75.2
2014	96.3
2015	100
2016	111.8
2017	95.5
2018	93.9
2019	90.1
2020	85.5
2021	71.8
2022	81.6