Year	2000 = 100
1980	45.49271928
1981	45.38889947
1982	43.73749535
1983	41.50482978
1984	40.00473063
1985	35.34298364
1986	28.58951565
1987	29.14656243
1988	29.02119886
1989	64.87680631
1990	90.91313162
1991	74.03021711
1992	66.76196689
1993	67.91412938
1994	65.76197274
1995	76.91450848
1996	86.31743216
1997	84.52918446
1998	62.37779221
1999	74.76105678
2000	100
2001	113.2736744
2002	141.0819082
2003	123.6915501
2004	159.2479363
2005	187.9548698
2006	235.6854564
2007	249.2044579
2008	332.6119136
2009	234.2986525
2010	276.1932491
2011	237.4257657
2012	86.33664207
2013	64.75248155
2014	49.64356919
2015	34.53465683
2016	36.69307288
2017	38.85148893
2018	43.16832103