Year annual % growth 1997 2.6703662771320893 1998 6.481012039279619 1999 1.0853951683378114 2000 2.5898083405533185 2001 4.523140120726083 2002 3.4241317451188706 2003 4.89981455907747 2004 5.558546733380325 2005 6.261327381099633 2006 5.049497042425216 2007 6.682930248643885 2008 4.459379347207303 2009 4.343003787268458 2010 5.641208643561285 2011 2.358233121365714 2012 3.041449150914957 2013 4.063173714647775 2014 3.4242781994559266 2015 2.0274507330074556 2016 2.762503433092874 2017 3.067332117195747 2018 4.55943076910728 2019 5.397122000785259 2020 0.4453773201151989 2021 5.540813864604004 2022 4.4746625422238395 2023 1.5884912364565196