Year	2000 = 100
1980	37.96934814
1981	37.19867866
1982	23.71855595
1983	84.53985212
1984	20.44168007
1985	29.12044107
1986	35.17226532
1987	38.89980288
1988	30.45759131
1989	42.92336363
1990	40.33316065
1991	35.4955361
1992	72.96669066
1993	132.5894629
1994	70.94364122
1995	64.13670975
1996	70.92078469
1997	78.25594602
1998	86.21780009
1999	117.0483948
2000	100
2001	105.9833196
2002	91.40352292
2003	107.8704544
2004	136.8959724
2005	179.6847383
2006	226.9427475
2007	270.8831495
2008	345.0510427
2009	270.3770909
2010	367.0137839
2011	532.1921813
2012	596.8927465
2013	591.4178377
2014	490.6080096
2015	452.4640954
2016	434.1522343
2017	424.9867269
2018	436.3745919