Year annual % 1994 3373.75944336293 1995 175.951325534583 1996 18.681185640036 1997 13.960764121791 1998 8.67248632385158 1999 0.648245760470385 2000 -0.790883768934757 2001 3.1459046468502 2002 1.06004929341667 2003 4.7215533660534 2004 6.96126135875795 2005 0.638928002410097 2006 2.89235662459004 2007 4.40736089644516 2008 8.94995335353387 2009 3.40676682683801 2010 8.17636138473952 2011 7.65000807859294 2012 2.55802007757907 2013 5.78966778544651 2014 2.98130868933672 2015 3.73169119261693 2016 -1.403607559009 2017 0.969553268816138 2018 2.52023382001638 2019 1.44344660770698 2020 1.21143577838465 2021 7.18483629443371 2022 8.64091108973855 2023 1.98041877615554