Year	Growth Rate Previous Period
1971-01-01	15.3851461779880000
1972-01-01	27.1782025950011000
1973-01-01	37.8145520952162000
1974-01-01	26.7335599572679000
1975-01-01	14.0881960670556000
1976-01-01	7.7094284549859300
1977-01-01	14.0321030725494000
1978-01-01	21.9720227478814000
1979-01-01	26.7528673715587000
1980-01-01	15.3477029508317000
1981-01-01	-8.4985344445042300
1982-01-01	-9.0674391549515400
1983-01-01	-1.8405977057424800
1984-01-01	2.6808281075738900
1985-01-01	4.3536497820960100
1986-01-01	22.8255736804883000
1987-01-01	18.8043938382547000
1988-01-01	11.0510629621606000
1989-01-01	7.1136043311683900
1990-01-01	20.4491446261069000
1991-01-01	0.0797010680080762
1992-01-01	8.3618687517987400
1993-01-01	-5.6108944106784400
1994-01-01	14.4229571040737000
1995-01-01	22.1939930920047000
1996-01-01	1.1240472164474100
1997-01-01	-2.1802737415159700
1998-01-01	5.9798587396104100
1999-01-01	1.2735287112110900
2000-01-01	1.4899123638920900
2001-01-01	-1.1551895383726000
2002-01-01	2.7269534914610100
2003-01-01	18.1631201643473000
2004-01-01	13.9636721763195000
2005-01-01	2.9928474701355800
2006-01-01	7.7273194105537600
2007-01-01	12.7448751387347000
2008-01-01	9.7028448800309600
2009-01-01	-21.1211969616998000
2010-01-01	7.3497252503307800
2011-01-01	14.2852243234099000
2012-01-01	-4.3164646760370000
2013-01-01	2.2805537491781600
2014-01-01	0.1102920393100310
2015-01-01	-13.1639718426388000
2016-01-01	-1.2022268971283700
2017-01-01	7.2982833256521700