Year	2000 = 100
1980	43.67809285
1981	55.22087442
1982	38.90758708
1983	32.35060914
1984	41.32245
1985	46.09295577
1986	35.72944323
1987	42.86875187
1988	45.13885462
1989	44.02025326
1990	51.92284283
1991	44.32293363
1992	65.40626614
1993	48.11959822
1994	47.83994789
1995	48.28947368
1996	67.10526316
1997	85.42763158
1998	68.38815789
1999	102.2697368
2000	100
2001	104.5723684
2002	123.6842105
2003	180.2631579
2004	191.8421053
2005	274.7697368
2006	288.7368421
2007	449.375
2008	690.1973684
2009	745.3914474
2010	548.2523026
2011	665.4078947
2012	780.1611842
2013	866.1508893
2014	940.1404903
2015	680.675561
2016	428.9638158
2017	475.7631579
2018	507.9708282
