Year Growth Rate Same Period Previous Year 1997-01-01 2.56267409470752 1998-01-01 2.25420966865833 1999-01-01 2.92164674634793 2000-01-01 3.27741935483875 2001-01-01 3.47826086956520 2002-01-01 3.02521008403363 2003-01-01 2.77324632952691 2004-01-01 2.82539682539683 2005-01-01 2.28465575795000 2006-01-01 2.71657108361002 2007-01-01 3.29121363502792 2008-01-01 3.84068278805119 2009-01-01 2.87671232876713 2010-01-01 1.06524633821572 2011-01-01 2.79314888010540 2012-01-01 2.46090745962573 2013-01-01 1.92644483362522 2014-01-01 1.96367206676485 2015-01-01 2.04622051035146 2016-01-01 1.53338051427225 2017-01-01 1.62639405204459