Year	Growth Rate Previous Period
1960-01-01	49.8459735718270000
1961-01-01	113.6717038367190000
1962-01-01	24.7678903742226000
1963-01-01	11.3352553586506000
1964-01-01	-21.2737171559725000
1965-01-01	6.8425770531236100
1966-01-01	22.7974348513523000
1967-01-01	-2.7939554741787200
1968-01-01	10.9232898124757000
1969-01-01	5.7460961311097300
1970-01-01	10.4922569829882000
1971-01-01	33.2497318324333000
1972-01-01	32.3686214294478000
1973-01-01	35.1397355012208000
1974-01-01	77.8667528276028000
1975-01-01	27.5001644000484000
1976-01-01	9.2787782487662500
1977-01-01	11.4362553155802000
1978-01-01	-20.5573699269663000
1979-01-01	0.6782022288938180
1980-01-01	70.6296022037718000
1981-01-01	13.2864759349823000
1982-01-01	-1.2155586599753700
1983-01-01	4.8382983523902500
1984-01-01	16.4012904335470000
1985-01-01	4.7807267835478100
1986-01-01	-1.8587156022838700
1987-01-01	26.4969705098887000
1988-01-01	0.0488003494673886
1989-01-01	11.2828829300030000
1990-01-01	40.8965424763520000
1991-01-01	-5.7191830831615000
1992-01-01	9.1881254021041600
1993-01-01	28.6937082203937000
1994-01-01	-23.5954087389624000
1995-01-01	57.5320208789535000
1996-01-01	21.5017285398113000
1997-01-01	11.8338005903135000
1998-01-01	-6.0133942013644500
1999-01-01	-11.0143247489170000
2000-01-01	34.7404318159566000
2001-01-01	-25.1109505868378000
2002-01-01	26.0977118291666000
2003-01-01	33.4169142206271000
2004-01-01	41.8545145965632000
2005-01-01	20.1969351196995000
2006-01-01	19.5243400427741000
2007-01-01	21.5228393142695000
2008-01-01	17.2452466280049000
2009-01-01	-29.5200127680148000
2010-01-01	31.6477984011552000
2011-01-01	30.4636966128128000
2012-01-01	-1.4414947105420700
2013-01-01	5.4786237469228700
2014-01-01	-3.5727180674772200
2015-01-01	-14.8239377297624000
2016-01-01	-3.7580418130203400
2017-01-01	17.7011105305721000