Year annual % 1981 -22.744950684467128 1982 10.682811488169989 1983 -9.823858224137766 1984 -16.752492013604808 1985 -8.210149212314036 1986 -9.544076329100122 1987 16.389082714803777 1988 14.752221467180092 1989 9.409676855444914 1990 5.569186909976793 1991 6.580302762452632 1992 58.869492759704514 1993 1.0696988028973635 1994 2.7638056480102193 1995 0.48633161904170663 1996 -1.91997176332697 1997 -0.3738546691529194 1998 3.60204719671286 1999 3.443384239763205 2000 4.37949325696745 2001 3.8712176621701957 2002 4.419928944832137 2003 0.9519634060715703 2004 -3.1685662670590204 2005 -4.0759556473474134 2006 -4.996645426032941 2007 -0.5358438992352461 2008 -1.175635604635545 2009 -6.206868668382327 2010 0.38532877564441037 2011 0.12260121894989595 2012 2.2950086903961164 2013 3.481968895591251 2014 1.2751348694239368 2015 1.3564502329781902 2016 -1.123521151807651 2017 -2.464522315162199 2018 0.2532499781682276 2019 2.416774374354148 2020 -13.892019721527618 2021 15.373846638901583 2022 6.627963800223341 2023 3.500793727490233