Year annual % 1998 1.8275150945042498 1999 1.554636086390488 2000 2.567733587395864 2001 2.7034784138358674 2002 2.3867689243367067 2003 2.4518279154123235 2004 2.0108826965786335 2005 1.6678752719361967 2006 2.0120724346076315 2007 -1.9723865877711972 2008 2.8319697923222122 2009 0.9993772681397388 2010 1.4303557455005063 2011 0.15269919798683418 2012 3.120044603581661 2013 2.000617175039409 2014 0.3886445287580216 2015 -0.7427002502596594 2016 1.3167053384153462 2017 1.7433558381823104 2018 2.064296103538581 2019 0.9141001593839064 2020 0.34457676313806473 2021 6.944362980617228