Year	2015 = 100
1980	14.425279789
1981	18.5306122507
1982	20.8242264696
1983	24.4397630079
1984	25.6800526714
1985	28.847926259
1986	48.4450296277
1987	29.0875576014
1988	29.3245556312
1989	25.3587886732
1990	24.3317972269
1991	9.5036208033
1992	11.0177748509
1993	10.1751152066
1994	8.7768268598
1995	10.9361421984
1996	11.5470704412
1997	12.3317972343
1998	13.2534562203
1999	13.503620803
2000	16.181698485
2001	16.8005266686
2002	18.1882817686
2003	21.0928242173
2004	26.8887425847
2005	31.1863067746
2006	39.1204739868
2007	55.7551020313
2008	95.2152732039
2009	56.1237656387
2010	86.319947326
2011	173.756418708
2012	177.4430546196
2013	167.3390388122
2014	137.8959841985
2015	100
2016	88.4292297494
2017	114.2146148731
2018	154.7070441009
2019	161.3566820187
2020	139.536800512
2021	180.3449637558