Year	2000 = 100
1980	44.44444444
1981	55.55555556
1982	48.14814815
1983	55.55555556
1984	62.96296296
1985	70.37037037
1986	77.77777778
1987	85.18518519
1988	92.59259259
1989	100
1990	140.7407407
1991	107.4074074
1992	166.6666667
1993	496.2962963
1994	107.4074074
1995	108.2576923
1996	101.8153846
1997	58.37692308
1998	43.23076923
1999	50.64615385
2000	100
2001	92.30769231
2002	107.6923077
2003	92.30769231
2004	69.23076923
2005	96.15384615
2006	123.0769231
2007	230.7692308
2008	346.1538462
2009	115.3846154
2010	76.92307692
2011	115.3846154
2012	153.8461538
2013	561.5346154
2014	437.3076923
2015	348.9038462
2016	196.1538462
2017	165.3846154
2018	446.1538462