Year annual % growth 1996 4.964516901539383 1997 2.849813201429825 1998 -0.24032556576297281 1999 4.417244852270301 2000 4.99040254576073 2001 3.7596998606495617 2002 4.246866750537137 2003 2.751392680829113 2004 4.0713931617113275 2005 4.868261402209953 2006 4.3463827689751895 2007 5.798466455467818 2008 3.2891987828661087 2009 2.9869655560399195 2010 6.017765620687825 2011 6.315835385941384 2012 5.223192728294052 2013 5.136860287031638 2014 4.435001003224542 2015 4.716762268278131 2016 4.847098665252773 2017 5.652375452706451 2018 5.1465843302105725 2019 3.881203280114363 2020 -3.4410325074370576 2021 7.198043703622957 2022 3.3564035479420653