Year	2015 = 100
1980	12.7383073944
1981	15.9228842459
1982	13.7998330126
1983	15.9228842459
1984	18.0459354764
1985	20.1689867098
1986	22.2920379431
1987	24.4150891765
1988	26.538140407
1989	28.6611916404
1990	40.3379734081
1991	30.7842428709
1992	47.7686527435
1993	142.2444325866
1994	30.7842428709
1995	31.0279446555
1996	29.1815024996
1997	16.7315217977
1998	12.3904536166
1999	14.5157912134
2000	28.6611916404
2001	26.4564845918
2002	30.8658986918
2003	26.4564845918
2004	19.8423634431
2005	27.5588381146
2006	35.2753127948
2007	66.1412114866
2008	99.2118172299
2009	33.0706057433
2010	22.0470704917
2011	33.0706057433
2012	44.094140972
2013	160.9425122468
2014	125.3375957482
2015	100
2016	56.2200297693
2017	47.7330099722
2018	51.9869922259
2019	39.6847268977
2020	50.7082621263
2021	49.6059086149