Year	Percent Change at Annual Rate
1960-01-01	1.8156695978539400
1961-01-01	1.5359521074591700
1962-01-01	1.2684929323439200
1963-01-01	0.9958365165036040
1964-01-01	0.7640793565539840
1965-01-01	0.5459946666407340
1966-01-01	0.3103625496115150
1967-01-01	0.0906045279960088
1968-01-01	-0.0979829293106021
1969-01-01	-0.1962543494586580
1970-01-01	-0.2707449249945230
1971-01-01	-0.2555525723933890
1972-01-01	-0.2668525230817990
1973-01-01	-0.3241563052566680
1974-01-01	-0.5118277387585060
1975-01-01	-0.7586243279387970
1976-01-01	-1.0996113734426900
1977-01-01	-1.3798182807167600
1978-01-01	-1.2395769491456700
1979-01-01	-0.5685639693607750
1980-01-01	0.4921929372230510
1981-01-01	1.7452566580878700
1982-01-01	2.7432394852830800
1983-01-01	3.0614419896427500
1984-01-01	2.5245137739558500
1985-01-01	1.4792676911943100
1986-01-01	0.2369420600748210
1987-01-01	-0.7648278337608280
1988-01-01	-1.3350954482959600
1989-01-01	-1.2240381419656000
1990-01-01	-0.6067778722887380
1991-01-01	0.1774439208538470
1992-01-01	0.7683924365804780
1993-01-01	1.1324755436439500
1994-01-01	1.1127523648845800
1995-01-01	0.8514526046367370
1996-01-01	0.5381732055545600
1997-01-01	0.3229036373755480
1998-01-01	0.1847543638992200
1999-01-01	0.1311954259923820
2000-01-01	0.1743318951720230
2001-01-01	0.2260798729676130
2002-01-01	0.2461400906339180
2003-01-01	0.2689817002613710
2004-01-01	0.2741050630761070
2005-01-01	0.2850127169495440
2006-01-01	0.3006675139041700
2007-01-01	0.3161790446140660
2008-01-01	0.3315410041657720
2009-01-01	0.3515414760147360
2010-01-01	0.3646408121213680
2011-01-01	0.3794962409489270
2012-01-01	0.3856461019197490
2013-01-01	0.4049392921585380
2014-01-01	0.4249331542855760
2015-01-01	0.4343692770786170
2016-01-01	0.4613812238025180
2017-01-01	0.4722471150276400