Year annual % growth 1996 11.576983184838639 1997 5.943520736538076 1998 6.765884099333334 1999 9.337726156656672 2000 11.59031308620726 2001 6.984927189692456 2002 9.127184652214495 2003 6.158990839771334 2004 8.08646938870126 2005 11.024621937326273 2006 10.217097088830101 2007 13.776158171557526 2008 8.783058580125385 2009 9.99143863556273 2010 11.598704152051795 2011 15.046927023367758 2012 9.20528229609205 2013 8.863002685254969 2014 9.194508216028979 2015 8.703140973918536 2016 8.936985579451303 2017 9.535066891687663 2018 8.3214048684614 2019 6.432470866239171 2020 -2.500603944793596 2021 13.127916803992164 2022 2.8430325447640854