Year annual % 1996 10.413606073811138 1997 4.864771394241757 1998 5.7463111060461785 1999 8.395110645401786 2000 10.714484961370658 2001 6.210624988347078 2002 8.398476882161049 2003 5.499822936388711 2004 7.44641101819164 2005 10.373574753336712 2006 9.603388061699732 2007 13.183486333083195 2008 8.22709396549935 2009 9.445719953871802 2010 11.061026825391608 2011 14.419958970431352 2012 8.467000105689877 2013 8.140305160019821 2014 8.508391075196698 2015 8.072913901758056 2016 8.314506461108422 2017 8.87411357249077 2018 7.815998672915427 2019 6.0555802594402195 2020 -2.732416342047671 2021 13.026992694577416 2022 2.856505351619319