Year annual % growth 1996 4.966062138442467 1997 8.1481930117518 1998 1.9558077771397677 1999 11.182740761659531 2000 5.740092934957673 2001 7.242632796586861 2002 5.523158588072292 2003 9.133014045495116 2004 9.952226148634622 2005 13.691716665201412 2006 11.30024919627823 2007 10.892426283182587 2008 14.038197895948514 2009 0.4104159617551062 2010 4.43493885037239 2011 8.510394343354037 2012 7.890392180233135 2013 6.76225900910201 2014 3.4347986640802475 2015 7.216453826501024 2016 7.995179636897092 2017 7.42122032160411 2018 10.753657527194349 2019 7.938330380468386 2020 -2.405286031626858 2021 3.8431543095056355