Year annual % 1990 2.99968060930622 1991 3.64187153111726 1992 3.47909329454419 1993 2.75708463928996 1994 2.52494261860797 1995 1.81391819271643 1996 0.986205502429385 1997 1.26699553666487 1998 0.441905227151835 1999 0.256349694475659 2000 1.36404091396398 2001 1.94710539424338 2002 1.14559566666318 2003 1.30755257860011 2004 1.73971884960345 2005 2.53779415754438 2006 1.89216106882701 2007 2.22117586707647 2008 1.95632228093217 2009 1.88926417785875 2010 0.873054962177932 2011 1.83341024455663 2012 2.05423568508493 2013 1.62388806972808 2014 2.17570723682326 2015 2.30097866680524 2016 1.84829469843848 2017 1.0055341594591 2018 1.83806444755734 2019 1.60787622974401 2020 2.71949516223945 2021 2.06821009880306 2022 5.29728373412017 2023 7.60697136979398