Year	Growth Rate Previous Period
1971-01-01	12.495342903461800
1972-01-01	15.221928326692800
1973-01-01	14.537001162340200
1974-01-01	12.946519180028400
1975-01-01	12.731642669422100
1976-01-01	15.067647000219200
1977-01-01	13.162709888194300
1978-01-01	13.667872135311700
1979-01-01	12.641408679497600
1980-01-01	9.189850927025150
1981-01-01	10.656006078088300
1982-01-01	10.904630053556800
1983-01-01	9.888559412910550
1984-01-01	8.532322174829470
1985-01-01	8.457318793159890
1986-01-01	7.209401021367500
1987-01-01	7.888787901473200
1988-01-01	8.093709467926720
1989-01-01	9.205189856298580
1990-01-01	11.062603268094900
1991-01-01	9.559861410783260
1992-01-01	7.881763565340020
1993-01-01	6.952380849795080
1994-01-01	4.756227027426900
1995-01-01	3.127961757679550
1996-01-01	5.371193873996210
1997-01-01	4.072132953733060
1998-01-01	5.165662315595310
1999-01-01	4.718106413422480
2000-01-01	5.729593061348500
2001-01-01	8.112503192442170
2002-01-01	7.243666585760380
2003-01-01	7.669060856744860
2004-01-01	5.654681502687750
2005-01-01	7.579305725304330
2006-01-01	8.640137140121860
2007-01-01	11.105887886001800
2008-01-01	10.398853586920200
2009-01-01	3.785923569780790
2010-01-01	-1.102831464996170
2011-01-01	0.997856548593146
2012-01-01	2.733855025843280