Year annual % 1999 24.59022500582948 2000 63.26087253645727 2001 36.584780961626066 2002 45.3396384162227 2003 56.99180796017147 2004 41.6976435970299 2005 59.690373964990464 2006 45.354624555413 2007 80.22236082827655 2008 -2.060091064190858 2009 40.73879541413149 2010 18.589309033565456 2011 33.07431788184934 2012 19.550175979768753 2013 19.726942657823106 2014 7.067056906905381 2015 18.672463093847274 2016 37.05891816423603 2017 21.838113557943444 2018 5.144851820960749 2019 16.944455181116165 2020 18.49790354055171 2021 8.178958551971336 2022 -7.560581707802264 2023 50.64468087159998