Year	Growth Rate Previous Period
1971-01-01	6.0
1972-01-01	5.2
1973-01-01	6.8
1974-01-01	12.2
1975-01-01	11.7
1976-01-01	9.4
1977-01-01	9.9
1978-01-01	9.5
1979-01-01	10.7
1980-01-01	14.0
1981-01-01	11.7
1982-01-01	10.8
1983-01-01	10.5
1984-01-01	8.7
1985-01-01	7.9
1986-01-01	8.0
1987-01-01	9.2
1988-01-01	9.9
1989-01-01	6.3
1990-01-01	6.8
1991-01-01	6.8
1992-01-01	5.8
1993-01-01	5.1
1994-01-01	4.8
1995-01-01	5.9
1996-01-01	5.3
1997-01-01	4.7
1998-01-01	4.5
1999-01-01	3.7
2000-01-01	3.4
2001-01-01	3.3
2002-01-01	2.9
2003-01-01	2.0
2004-01-01	1.8
2005-01-01	1.9
2006-01-01	2.0
2007-01-01	2.1
2008-01-01	2.2
2009-01-01	1.6
2010-01-01	1.3
2011-01-01	1.7
2012-01-01	1.8
2013-01-01	1.6
2014-01-01	1.8
2015-01-01	1.7
2016-01-01	1.8