Year	Percent Change at Annual Rate
1960-01-01	0.65771149661082100
1961-01-01	0.33220594581809300
1962-01-01	0.39805478680754600
1963-01-01	0.74760693068263200
1964-01-01	0.94647753571233000
1965-01-01	0.90813700168659800
1966-01-01	0.67546356713534300
1967-01-01	0.55664555486267100
1968-01-01	0.39339110773873200
1969-01-01	0.28316966920228800
1970-01-01	0.09861369150276690
1971-01-01	0.18224707146774900
1972-01-01	0.39158590745938200
1973-01-01	0.31465876569360400
1974-01-01	0.31463366459799900
1975-01-01	0.28897816112839300
1976-01-01	0.17867444700565900
1977-01-01	0.12347964539296400
1978-01-01	0.09329995981302520
1979-01-01	0.08988255126323370
1980-01-01	0.11021116598590100
1981-01-01	-0.00263715434022610
1982-01-01	-0.02717688348394700
1983-01-01	-0.00794447069062125
1984-01-01	-0.00150170778678296
1985-01-01	0.02978642264366100
1986-01-01	0.03564885078323590
1987-01-01	0.08525214081250530
1988-01-01	0.31792624535866100
1989-01-01	0.36324798587016500
1990-01-01	0.29823570631359200
1991-01-01	0.37159316566816900
1992-01-01	0.40571349585633700
1993-01-01	0.39063851782692900
1994-01-01	0.30819707368672600
1995-01-01	0.20943683802032400
1996-01-01	0.19539317623820000
1997-01-01	0.24199188498308200
1998-01-01	0.21352765067094300
1999-01-01	0.22918910302971600
2000-01-01	0.24251795622133400
2001-01-01	0.34395115762366800
2002-01-01	0.44826889482156200
2003-01-01	0.41864150806905300
2004-01-01	0.43278824812917500
2005-01-01	0.55005570808900900
2006-01-01	0.65955821498069900
2007-01-01	0.73433083076591900
2008-01-01	0.78997684548014900
2009-01-01	0.80459957261986100
2010-01-01	0.91363939163170900
2011-01-01	1.38684911331611000
2012-01-01	0.72603165513203100
2013-01-01	0.48918430129670600
2014-01-01	0.23437084373816600
2015-01-01	0.57944624167779100
2016-01-01	0.50630000245137600
2017-01-01	0.35805987031767100