Year	2000 = 100
1980	77.13434066
1981	77.14175824
1982	62.95384615
1983	36.14615385
1984	26.27975275
1985	21.04395604
1986	21.73076923
1987	26.64835165
1988	28.2967033
1989	28.84615385
1990	34.61538462
1991	44.50549451
1992	38.18681319
1993	36.26373626
1994	43.13049451
1995	46.15384615
1996	59.61538462
1997	60.98901099
1998	63.18681319
1999	72.25274725
2000	100
2001	193.1318681
2002	222.5274725
2003	287.0879121
2004	413.1445055
2005	489.8337912
2006	654.1585165
2007	662.6590659
2008	728.9175824
2009	589.8815934
2010	824.1758242
2011	990.1423077
2012	1059.213736
2013	1105.494505
2014	1214.431319
2015	937.7118132
2016	914.3505495
2017	1298.15989
2018	1427.356903