Year Growth Rate Same Period Previous Year 1960-01-01 56.67573980670020 1961-01-01 30.01435170524530 1962-01-01 33.78490773645470 1963-01-01 60.54892534031820 1964-01-01 33.39915380081010 1965-01-01 46.65970331407560 1966-01-01 46.61994678996380 1967-01-01 27.24877651903210 1968-01-01 42.78671419718290 1969-01-01 35.60332139128430 1970-01-01 35.10508683500140 1971-01-01 27.69624089984040 1972-01-01 51.96272098849450 1973-01-01 98.22330599895180 1974-01-01 40.11040728101040 1975-01-01 9.48206245215519 1976-01-01 56.90237013091320 1977-01-01 29.99087898860380 1978-01-01 27.18115889126350 1979-01-01 18.45914842577210 1980-01-01 16.58686034478040 1981-01-01 21.49810423679820 1982-01-01 2.51057004017918 1983-01-01 11.31824790415000 1984-01-01 20.15842406581240 1985-01-01 2.84790726650122 1986-01-01 15.61157047273470 1987-01-01 35.33006876959770 1988-01-01 29.14587485127580 1989-01-01 2.97451436815484 1990-01-01 4.08305042003319 1991-01-01 10.51170962033230 1992-01-01 7.07879828967307 1993-01-01 7.20118693816511 1994-01-01 16.33962535561460 1995-01-01 30.72839944000720 1996-01-01 3.84621702461982 1997-01-01 4.80869649945114 1998-01-01 -2.53215829065560 1999-01-01 8.14120708794290 2000-01-01 19.97483599227420 2001-01-01 -12.65843634552830 2002-01-01 7.68624649466806 2003-01-01 19.25611233286970 2004-01-01 31.05684308198000 2005-01-01 12.25240718553850 2006-01-01 14.38328661075780 2007-01-01 13.96546006346510 2008-01-01 13.74416410240810 2009-01-01 -14.10494213699640 2010-01-01 28.39849814058550 2011-01-01 19.40290043655120 2012-01-01 -1.29683466911937 2013-01-01 2.02282172989296 2014-01-01 2.29388133363267 2015-01-01 -7.96854298247519 2016-01-01 -6.00814915119141 2017-01-01 15.95318057290870