Year	Growth Rate Previous Period
1973-01-01	32.677
1974-01-01	17.005
1975-01-01	17.392
1976-01-01	9.207
1977-01-01	12.614
1978-01-01	44.492
1979-01-01	17.767
1980-01-01	2.584
1981-01-01	-1.524
1982-01-01	2.997
1983-01-01	0.216
1984-01-01	-1.740
1985-01-01	9.037
1986-01-01	33.618
1987-01-01	26.563
1988-01-01	12.718
1989-01-01	-1.191
1990-01-01	23.159
1991-01-01	0.380
1992-01-01	8.572
1993-01-01	-2.755
1994-01-01	11.611
1995-01-01	17.753
1996-01-01	5.010
1997-01-01	-11.480
1998-01-01	8.976
1999-01-01	6.661
2000-01-01	-2.090
2001-01-01	-4.035
2002-01-01	4.692
2003-01-01	15.102
2004-01-01	31.701
2005-01-01	17.190
2006-01-01	2.760
2007-01-01	19.132
2008-01-01	10.126
2009-01-01	10.930
2010-01-01	6.858
2011-01-01	24.207
2012-01-01	3.410
2013-01-01	12.708