Year	Growth Rate Previous Period
1969-01-01	17.8730406531508000
1970-01-01	-23.4961430386770000
1971-01-01	-2.1172066908410400
1972-01-01	24.0822179732314000
1973-01-01	18.9036135295477000
1974-01-01	5.7654300988174100
1975-01-01	19.3662025762380000
1976-01-01	-2.2455185864781300
1977-01-01	-4.9853641888610100
1978-01-01	-8.9452234578987600
1979-01-01	3.7884994689728500
1980-01-01	-25.6538073588960000
1981-01-01	-37.8209917810374000
1982-01-01	-19.0715618379028000
1983-01-01	-15.3251015942482000
1984-01-01	12.2934933087217000
1985-01-01	20.2925947234323000
1986-01-01	-10.8157966657557000
1987-01-01	20.1677775224086000
1988-01-01	26.5659366931242000
1989-01-01	14.6404734920035000
1990-01-01	0.0351509293026812
1991-01-01	-11.9690780515659000
1992-01-01	6.7333599441173600
1993-01-01	6.6778860762452400
1994-01-01	7.8571428571428500
1995-01-01	-6.1613781335066800
1996-01-01	-2.3206979412465000
1997-01-01	5.1838390106602200
1998-01-01	-14.5301306363253000
1999-01-01	2.4282615126713400
2000-01-01	-2.4284579652939900
2001-01-01	3.0093734583127700
2002-01-01	-8.5895593869731600
2003-01-01	14.0282398553952000
2004-01-01	10.6506156956442000
2005-01-01	12.9785732082053000
2006-01-01	6.4632913718644100
2007-01-01	-5.7826417178761600
2008-01-01	-7.0609358396540700
2009-01-01	-10.6726068443463000
2010-01-01	6.1349693251533800
2011-01-01	-13.7127292385745000
2012-01-01	9.5930022410178700
2013-01-01	-1.7216358839050200
2014-01-01	17.6902252947625000
2015-01-01	-12.3051478974983000