Year	2000 = 100
1980	31.32240425
1981	38.80306043
1982	21.55139621
1983	16.67075517
1984	19.30940391
1985	16.59678395
1986	18.56736838
1987	23.7550791
1988	28.59319616
1989	39.08424829
1990	41.83452926
1991	44.34598427
1992	55.02074868
1993	60.16253134
1994	63.86757586
1995	85.90386444
1996	103.735303
1997	112.504863
1998	107.4295409
1999	86.3836777
2000	100
2001	94.17415925
2002	92.347843
2003	104.4047722
2004	133.9667805
2005	176.8776476
2006	207.5197761
2007	254.8402784
2008	339.2593207
2009	231.2912974
2010	319.9157325
2011	403.5990912
2012	432.6606888
2013	428.767966
2014	393.642332
2015	337.1004233
2016	317.6173383
2017	351.5521679
2018	400.866932