Year annual % growth 1996 29.5008152333765 1997 29.195495020322056 1998 6.424023496816588 1999 -14.54056568336837 2000 6.591296439773558 2001 19.717456503608048 2002 20.12798556095514 2003 9.597017224956787 2004 18.450291615667496 2005 19.65934337490225 2006 14.302399602331974 2007 10.647597860987318 2008 10.820305447911196 2009 -28.653757263205875 2010 16.81071959645901 2011 14.217429075704274 2012 5.169698869353809 2013 5.811388557459026 2014 -1.6720319302990845 2015 9.353105140731202 2016 4.041578273563729 2017 11.140623130370614 2018 6.024966512420747 2019 6.005007148933544 2020 -4.349217540191631 2021 19.933321721505195 2022 12.420176101327002 2023 -4.942146788178718