Year	2015 = 100
1980	52.8572027247
1981	44.984247681
1982	42.384759238
1983	34.3798156181
1984	37.4091389608
1985	34.5017897127
1986	37.8192824765
1987	42.7329030009
1988	41.8944999017
1989	49.7605910896
1990	55.9369360289
1991	50.6812479361
1992	49.8899916505
1993	50.5977564454
1994	63.7735463954
1995	69.1496492254
1996	83.5604808422
1997	69.4455739679
1998	57.1964788479
1999	68.032530504
2000	65.3514455597
2001	59.9892756644
2002	57.5316144643
2003	74.6235310059
2004	77.416327842
2005	78.3100227799
2006	77.5480360997
2007	84.3130837082
2008	102.9884042996
2009	70.3420617652
2010	93.9900129947
2011	119.4726082925
2012	136.3557352848
2013	123.77563789
2014	153.4099413824
2015	100
2016	103.4315653262
2017	106.7533178736
2018	116.2965280383
2019	115.388757314
2020	92.3010411543
2021	91.0827114728