Year	Percent Change at Annual Rate
1960-01-01	3.1480368357560000
1961-01-01	2.2381439311709300
1962-01-01	1.4096218650526400
1963-01-01	0.8324525578423660
1964-01-01	0.5926490391524120
1965-01-01	0.5734682476037650
1966-01-01	0.6169908775510690
1967-01-01	0.5873732012093920
1968-01-01	0.5685297988937490
1969-01-01	0.5806423854861610
1970-01-01	0.5722111903825630
1971-01-01	0.6362729582909570
1972-01-01	0.6706933256718080
1973-01-01	0.6712049382210660
1974-01-01	0.4719684842241080
1975-01-01	0.2128977162600010
1976-01-01	-0.1171201770262530
1977-01-01	-0.3637810745042300
1978-01-01	-0.4366275437284530
1979-01-01	-0.2048583779821010
1980-01-01	0.1932110264934610
1981-01-01	0.7806906710398710
1982-01-01	1.2763477946949700
1983-01-01	1.3857408543169200
1984-01-01	1.0157080851377900
1985-01-01	0.3019182029970920
1986-01-01	-0.6079433063476740
1987-01-01	-1.3030704074917400
1988-01-01	-1.2269094284045900
1989-01-01	-0.0769791457295957
1990-01-01	1.8136410934759200
1991-01-01	3.9020182364944200
1992-01-01	5.4402719602445500
1993-01-01	6.0684103062403500
1994-01-01	5.6259975620729900
1995-01-01	4.6166747127002900
1996-01-01	3.5178892326949600
1997-01-01	2.6695764416106700
1998-01-01	2.1143856555155200
1999-01-01	1.9605579130971700
2000-01-01	2.0550267831539000
2001-01-01	2.2259301301819500
2002-01-01	2.2290560465564700
2003-01-01	2.1093543351179800
2004-01-01	1.7573528666072900
2005-01-01	1.3020388402447100
2006-01-01	0.7975627626844720
2007-01-01	0.3840600211067870
2008-01-01	0.1313107068666000
2009-01-01	0.0986164197354338
2010-01-01	0.2126801443655720
2011-01-01	0.3769847682390150
2012-01-01	0.5121449888514610
2013-01-01	0.5929140053941650
2014-01-01	0.5874923894303410
2015-01-01	0.5246581585699330
2016-01-01	0.4599291919717470
2017-01-01	0.4207806823467290