Year	Growth Rate Previous Period
1971-01-01	52.909
1972-01-01	8.377
1973-01-01	32.724
1974-01-01	31.355
1975-01-01	15.437
1976-01-01	9.680
1977-01-01	15.760
1978-01-01	24.549
1979-01-01	20.034
1980-01-01	-2.965
1981-01-01	-11.446
1982-01-01	21.755
1983-01-01	-9.250
1984-01-01	-1.362
1985-01-01	5.733
1986-01-01	23.002
1987-01-01	20.207
1988-01-01	11.696
1989-01-01	5.162
1990-01-01	16.414
1991-01-01	14.257
1992-01-01	13.330
1993-01-01	-0.730
1994-01-01	8.180
1995-01-01	8.779
1996-01-01	1.153
1997-01-01	1.129
1998-01-01	3.051
1999-01-01	4.900
2000-01-01	3.959
2001-01-01	4.479
2002-01-01	6.049
2003-01-01	12.038
2004-01-01	8.788
2005-01-01	5.538
2006-01-01	2.744
2007-01-01	11.816
2008-01-01	9.414
2009-01-01	-7.808
2010-01-01	0.217
2011-01-01	11.462
2012-01-01	-0.287
2013-01-01	3.403