Year annual % 1990 10.3525268440096 1991 3.55211254107566 1992 -15.4237004844106 1993 -2.6931154191177 1994 24.5263467390672 1995 7.68083409226116 1996 0.821196361917359 1997 -13.1471736691146 1998 -31.5659149794624 1999 39.1576256709104 2000 46.5617433414043 2001 -11.9715274350058 2002 -1.58289027139674 2003 0.635621901563525 2004 16.9227635071874 2005 42.5774877650897 2006 12.9763712005288 2007 3.0376538593557 2008 19.8400389323386 2009 -20.8302309584088 2010 24.9065341802403 2011 17.045106569847 2012 4.85478204392102 2013 -1.07267375706822 2014 -1.27384264682834 2015 -20.1927503678985 2016 -6.2854221112699 2017 12.7423831594725 2018 9.51383429692252 2019 -3.16368983363937 2020 -10.1685457458373 2021 17.9386307222713 2022 19.7373951042553 2023 -7.36038225604371