Year annual % 1989 8.7709455415918 1990 7.96969384363222 1991 9.5688776593484 1992 7.71392168356612 1993 6.70588552770044 1994 6.25206890210269 1995 8.55866604308448 1996 4.82248676783487 1997 3.49093715138856 1998 0.172630384568575 1999 -3.20416248186592 2000 -1.60971883961891 2001 -1.98465008641656 2002 -2.63751699816189 2003 -1.56245203671296 2004 0.980728452039292 2005 4.39589284335675 2006 5.14997337750701 2007 5.57149689143945 2008 8.61101858637011 2009 1.16906695453755 2010 2.80947242060855 2011 5.80624616691043 2012 6.1073892833654 2013 5.50057779178485 2014 6.04823452094077 2015 4.56056338028173 2016 2.36895749705906 2017 1.22812404052801 2018 3.00446293166953 2019 2.75193081051975 2020 0.811410511491235 2021 0.0264543647054816 2022 1.04502802369988