Year annual % growth 1996 9.735837629068754 1997 5.386131654211553 1998 2.0123391627004708 1999 7.264161129992203 2000 8.895890204562832 2001 5.951712620661425 2002 7.585885367555974 2003 6.012613802810932 2004 7.503259956251057 2005 8.934512153437908 2006 8.155995358474158 2007 11.016485232829453 2008 7.728891805915069 2009 7.742772784358436 2010 9.832783887333434 2011 12.24919234809596 2012 8.490607404587493 2013 7.876620407492979 2014 8.128198621700406 2015 7.904718429121843 2016 8.09794435774316 2017 8.592980090521365 2018 7.7696808526273315 2019 6.2692933633867085 2020 -2.638054442039305 2021 10.790289324892342 2022 3.6370471377413622