Year annual % growth 1991 1.8903916423095808 1992 0.535254737325161 1993 2.2252899200173175 1994 2.475045255255793 1995 3.9493632820196467 1996 3.529421568019586 1997 3.385502630327892 1998 2.959623040669811 1999 2.067086942721488 2000 2.3734344631432265 2001 3.7943367769900362 2002 3.436590412164108 2003 4.743252789318845 2004 5.835611670018054 2005 5.545627792738955 2006 7.254243762082552 2007 5.585698787621723 2008 3.0418033379709897 2009 2.2824236337670243 2010 5.470006913232268 2011 3.8183772328589214 2012 4.310416465838273 2013 4.510787585009098 2014 3.1741768260863665 2015 3.711495309060183 2016 1.9227764982568516 2017 2.3725265303703935 2018 2.251166758817405 2019 2.2568970249633935 2020 -2.1936548442958212 2021 4.502787336688158 2022 3.2419254222284906 2023 1.4446579794905148