Year annual % 1990 13.4614689148493 1991 14.9789364247387 1992 7.2832831603953 1993 13.8705025937681 1994 17.1913029093567 1995 51.2665830469245 1996 10.9214157502718 1997 15.6215024458922 1998 2.22820064935745 1999 -3.5161 2000 3.27540625524203 2001 -0.392630424603496 2002 -5.22714987597742 2003 20.3612347875158 2004 11.0948700636015 2005 9.03084020563809 2006 2.46159072579977 2007 12.9360935777187 2008 14.4539786639935 2009 7.14766162390434 2010 3.18718472434252 2011 7.1914655174436 2012 4.72285727125943 2013 2.68968999414369 2014 4.73238280393234 2015 0.485911237751054 2016 5.0301309285296 2017 8.16263147945632 2018 -0.603328745839121 2019 2.47116019800046 2020 6.71185169031072 2021 2.85750597200183 2022 15.9144992066923 2023 10.1301271245657