Year	Growth Rate Previous Period
1971-01-01	14.9642144730341000
1972-01-01	11.7644603978046000
1973-01-01	15.5840202229241000
1974-01-01	21.6033057717057000
1975-01-01	10.6259040464800000
1976-01-01	20.1579270744146000
1977-01-01	27.5343942844038000
1978-01-01	22.3990622916583000
1979-01-01	18.7587122524601000
1980-01-01	14.8314885186406000
1981-01-01	18.1956375726450000
1982-01-01	18.8333056399072000
1983-01-01	21.0441847715407000
1984-01-01	25.4663261680389000
1985-01-01	20.8571320908733000
1986-01-01	15.7602820001060000
1987-01-01	10.9622292397738000
1988-01-01	12.4122623604553000
1989-01-01	14.5857413056849000
1990-01-01	13.2872325013785000
1991-01-01	14.6843792144260000
1992-01-01	12.4122070058114000
1993-01-01	10.5557017233201000
1994-01-01	6.6095685782720400
1995-01-01	5.3096607240747200
1996-01-01	3.6934914576215800
1997-01-01	5.3170028485502100
1998-01-01	2.3328128294516500
1999-01-01	2.7960016275524800
2000-01-01	2.8430142613167000
2001-01-01	3.5431712437615800
2002-01-01	4.7613615321797500
2003-01-01	3.3606586790994700
2004-01-01	2.5143707783970700
2005-01-01	2.6831040318680400
2006-01-01	2.9179257122458200
2007-01-01	2.3533136254719500
2008-01-01	1.9880886255928200
2009-01-01	1.1248392473653900
2010-01-01	0.9915980119782120
2011-01-01	2.8293225157444000
2012-01-01	1.4515709717024000
2013-01-01	0.1891650902909320
2014-01-01	0.0740260172338974
2015-01-01	0.6640790578222630
2016-01-01	0.7381353413256450
2017-01-01	1.0884353741496700