Year annual % growth 1996 5.738168570951089 1997 5.4010002030777 1998 2.043983893895529 1999 2.974172728299962 2000 6.391248899495878 2001 2.5580426216815084 2002 3.788011023067213 2003 4.090885227356694 2004 6.138353337333257 2005 6.677306618989022 2006 7.19025790208363 2007 8.268235391524996 2008 5.477531774359349 2009 3.059987275820802 2010 8.222613151636565 2011 9.039190681252634 2012 6.036699959102236 2013 5.8781290331416045 2014 4.910393990054644 2015 4.507888901412343 2016 4.589997190515049 2017 6.057212297806018 2018 5.171230447565506 2019 4.21339104665887 2020 -3.723813544982164 2021 9.944028913060691 2022 4.62282216262237