Year	2015 = 100
1980	9.5989775169
1981	9.6109762394
1982	10.0309315051
1983	7.6311871256
1984	6.4793098236
1985	5.0874580846
1986	6.5153059896
1987	7.7031794576
1988	8.831059316
1989	9.6949672925
1990	10.5348778254
1991	10.7868509849
1992	10.258907221
1993	11.4587794101
1994	12.2266976124
1995	8.4471002149
1996	9.1070299191
1997	8.8670554807
1998	9.4789902977
1999	13.6665442398
2000	13.8945199557
2001	12.7546413762
2002	18.5140278791
2003	21.0337594876
2004	24.4134634804
2005	28.8952620801
2006	34.4276567631
2007	36.593054103
2008	48.0880336604
2009	45.1656729469
2010	55.1941207287
2011	75.7378404084
2012	104.2445358742
2013	121.1750924326
2014	104.9506846541
2015	100
2016	62.467577947
2017	68.9374327791
2018	83.3212246204
2019	89.1242504828
2020	77.6433694308
2021	103.4408745613