Year	Growth Rate Previous Period
1971-01-01	6.6
1972-01-01	6.8
1973-01-01	8.4
1974-01-01	12.9
1975-01-01	13.2
1976-01-01	10.9
1977-01-01	11.9
1978-01-01	11.7
1979-01-01	12.7
1980-01-01	16.3
1981-01-01	12.6
1982-01-01	11.0
1983-01-01	9.6
1984-01-01	8.7
1985-01-01	8.4
1986-01-01	6.7
1987-01-01	5.8
1988-01-01	7.3
1989-01-01	7.8
1990-01-01	8.0
1991-01-01	8.3
1992-01-01	8.5
1993-01-01	7.7
1994-01-01	8.2
1995-01-01	8.1
1996-01-01	7.1
1997-01-01	6.9
1998-01-01	7.0
1999-01-01	5.6
2000-01-01	5.0
2001-01-01	4.7
2002-01-01	4.4
2003-01-01	2.9
2004-01-01	2.3
2005-01-01	2.0
2006-01-01	1.9
2007-01-01	2.3
2008-01-01	2.2
2009-01-01	1.7
2010-01-01	1.7
2011-01-01	2.0
2012-01-01	2.0
2013-01-01	1.7
2014-01-01	1.6
2015-01-01	1.5
2016-01-01	1.6