Year annual % 1991 -2.6381090728412318 1992 -0.7735063687001826 1993 -0.7370398310564212 1994 -9.383585647859405 1995 0.9153550812687428 1996 4.126469306001908 1997 6.210186082734381 1998 1.086878402685116 1999 -0.9852764441805704 2000 4.1226927800300786 2001 -3.196015848160897 2002 4.4205690580102015 2003 7.794801113422793 2004 9.392651876347657 2005 7.402866286010763 2006 5.805843619555006 2007 7.171114143462077 2008 2.8331940889613207 2009 -5.218276082818406 2010 8.084436407256561 2011 9.784823644103426 2012 3.9793319436418244 2013 6.252852399415062 2014 0.6696937823413833 2015 1.0923285484208094 2016 2.36356604148628 2017 4.454106535863673 2018 1.8252447106675902 2019 2.5814488425660755 2020 0.6022601094709046 2021 11.44720671206045 2022 12.39237802806872 2023 10.46796109434041