Year	Percent Change at Annual Rate
1960-01-01	0.7806656029827060
1961-01-01	0.7057114836637540
1962-01-01	0.6799953998299190
1963-01-01	0.7069774681839430
1964-01-01	0.5563156250772130
1965-01-01	0.3333747953696620
1966-01-01	0.3748008264349610
1967-01-01	0.5415502055822040
1968-01-01	0.4489721979735460
1969-01-01	-0.0580308405654956
1970-01-01	-0.3787182379159620
1971-01-01	0.1262037058601360
1972-01-01	0.5951952663246460
1973-01-01	0.5679091979390410
1974-01-01	0.5235429957716840
1975-01-01	0.4438630756668630
1976-01-01	0.3014486387195600
1977-01-01	0.2797383130439810
1978-01-01	0.2871223695686760
1979-01-01	0.2555790278261100
1980-01-01	0.3110784159264190
1981-01-01	0.4265156449122310
1982-01-01	0.5602858439415720
1983-01-01	0.5959913208096240
1984-01-01	0.5343429308734420
1985-01-01	0.4170689044795600
1986-01-01	0.3247948959070260
1987-01-01	0.2836267318038620
1988-01-01	0.2906890510124410
1989-01-01	0.3610187990035390
1990-01-01	0.4433820739142970
1991-01-01	0.5461720181879030
1992-01-01	0.5619098507460840
1993-01-01	0.4838540888582850
1994-01-01	0.4310489028297550
1995-01-01	0.3816553334572140
1996-01-01	0.3280379136274810
1997-01-01	0.2973773304263950
1998-01-01	0.2654729624363010
1999-01-01	0.2321162491190040
2000-01-01	0.2076065154133000
2001-01-01	0.2276873418863740
2002-01-01	0.2423810502333720
2003-01-01	0.2384572400682170
2004-01-01	0.2903503615185840
2005-01-01	0.3422485942869990
2006-01-01	0.3837771363051040
2007-01-01	0.4254298321006310
2008-01-01	0.4655492845076940
2009-01-01	0.4782463934829110
2010-01-01	0.4574945354658310
2011-01-01	0.4635587074991310
2012-01-01	0.4758094866832090
2013-01-01	0.4607237727852950
2014-01-01	0.4135602075194140
2015-01-01	0.3293838858185070
2016-01-01	0.2874214016876370
2017-01-01	0.2907346964217650