Year Growth Rate Same Period Previous Year 1971-01-01 5.555482331268030 1972-01-01 6.356824275938820 1973-01-01 8.288826690293140 1974-01-01 14.046926682165000 1975-01-01 9.633038538435800 1976-01-01 8.585865283503100 1977-01-01 10.488887332122600 1978-01-01 10.609318734614500 1979-01-01 8.852534659373280 1980-01-01 10.371661276580300 1981-01-01 10.190047875293800 1982-01-01 9.842066730720970 1983-01-01 8.062784415768210 1984-01-01 6.478289790660320 1985-01-01 4.996572778643300 1986-01-01 4.086956747287690 1987-01-01 4.550956808253820 1988-01-01 5.171156072401570 1989-01-01 4.709352944194310 1990-01-01 3.376776580878990 1991-01-01 2.955040597382990 1992-01-01 2.545176753249320 1993-01-01 1.757859308903660 1994-01-01 2.002736279401640 1995-01-01 1.925991512335470 1996-01-01 1.802754464043000 1997-01-01 1.850022836064490 1998-01-01 1.633936685006260 1999-01-01 2.477122049887180 2000-01-01 2.160009693735840 2001-01-01 2.200013107417160 2002-01-01 2.516284346278920 2003-01-01 2.324149941993860 2004-01-01 1.298440400606930 2005-01-01 1.383697071643910 2006-01-01 1.403865435961180 2007-01-01 1.413582337263480 2008-01-01 2.277028342971500 2009-01-01 2.258953172128020 2010-01-01 1.837120249206810 2011-01-01 1.807510537829150 2012-01-01 1.895078108359670 2013-01-01 1.210177676626680 2014-01-01 0.873021549855081 2015-01-01 1.255851774041450 2016-01-01 0.683696713435502 2017-01-01 0.917646977159630