Year annual % 2001 -3.85052142511624 2002 -0.500888513777809 2003 -32.4943527563282 2004 11.3513742522317 2005 2.30405500503915 2006 4.1494034651775 2007 6.68530033533041 2008 2.76161070949254 2009 -1.15154544976023 2010 1.56463577765751 2011 7.33179568120815 2012 1.21550174258465 2013 6.01193090207619 2014 -1.85415928542059 2015 -1.30735568210683 2016 -4.09301019199783 2017 -0.539486783183946 2018 -4.13287497749172