Year	Percent Change at Annual Rate
1961-01-01	0.9141362464148980
1962-01-01	0.8432310298333480
1963-01-01	0.8932537575435480
1964-01-01	0.9343523913906750
1965-01-01	0.7648290984921150
1966-01-01	0.7350356975355940
1967-01-01	0.9308005256653050
1968-01-01	0.8643610834377000
1969-01-01	0.7353171194403100
1970-01-01	0.5386860771987330
1971-01-01	0.5101081275457770
1972-01-01	0.7272394580743650
1973-01-01	0.7541798247824690
1974-01-01	0.8165869876518310
1975-01-01	0.8987411955569940
1976-01-01	0.8823867756106980
1977-01-01	0.7894169241412070
1978-01-01	0.6836252954448550
1979-01-01	0.5892693169107870
1980-01-01	0.6042652621286070
1981-01-01	0.5846924932744030
1982-01-01	0.5437288669171780
1983-01-01	0.5160034359587230
1984-01-01	0.4858313348684080
1985-01-01	0.4658706299083660
1986-01-01	0.4451816772697870
1987-01-01	0.4092341113854020
1988-01-01	0.3552717996588800
1989-01-01	0.1019500366853660
1990-01-01	-0.0501979307477995
1991-01-01	-0.4111353789075170
1992-01-01	-0.2582354255620200
1993-01-01	0.0689282865470489
1994-01-01	-0.0562229093234947
1995-01-01	-0.0966682563838361
1996-01-01	-0.3185413117199690
1997-01-01	-0.0949261227984408
1998-01-01	-0.2301206716558540
1999-01-01	-0.0960110644714405
2000-01-01	-0.6386956600404830
2001-01-01	-0.5582031144133030
2002-01-01	-0.6519660469902390
2003-01-01	-0.3144879738969310
2004-01-01	-0.2759927691790410
2005-01-01	-0.2745944071069600
2006-01-01	-0.2566019933775290
2007-01-01	-0.3746799308133290
2008-01-01	-0.3581315384454910
2009-01-01	-0.1924478053079780
2010-01-01	-0.3627098192210240
2011-01-01	-0.3536919420023710
2012-01-01	-0.2291549838933950
2013-01-01	-0.2132018300073920
2014-01-01	-0.2097571926014870
2015-01-01	-0.2303737222994470
2016-01-01	-0.2550975567926200
2017-01-01	-0.2594715323345440