Year annual % growth 1997 19.92868987247492 1998 12.747430823501318 1999 7.064009502196413 2000 10.962999846831295 2001 1.167423042334832 2002 4.9008648344039045 2003 12.936889289210953 2004 20.614365676414252 2005 8.77238740326078 2006 -0.11661382297616285 2007 8.61618727334259 2008 7.869277639505 2009 -3.807496128109605 2010 11.212665541945995 2011 -26.54374258447278 2012 11.678763274778731 2013 5.197349079527626 2014 4.464175289940826 2015 4.625750851297255 2016 1.9205284740519488 2017 2.949902232582474 2018 6.667214606676424 2019 1.7148378207987491 2020 -5.70405982269925 2021 16.066402386627317 2022 14.232676166735004 2023 11.201670473344521