Year	2000 = 100
1980	64.06928406
1981	66.49422633
1982	60.83140878
1983	58.6743649
1984	59.13625866
1985	59.40415704
1986	38.12933025
1987	43.74133949
1988	38.9330254
1989	47.2147806
1990	67.93071594
1991	61.49191686
1992	56.10623557
1993	50.18013857
1994	45.93995381
1995	46.56196299
1996	60.14174121
1997	63.06541744
1998	46.33864423
1999	56.85222232
2000	100
2001	86.84467431
2002	85.32864853
2003	105.1368416
2004	142.0888352
2005	208.8048631
2006	247.8883708
2007	273.0805433
2008	359.9335694
2009	205.044983
2010	258.96165
2011	333.5665222
2012	326.1997263
2013	294.9169429
2014	272.6168392
2015	157.358029
2016	136.2879941
2017	159.7319257
2018	185.5675376