Year annual % 1986 -17.6404240920371 1987 -13.1744727471927 1988 2.52365930599391 1989 6.16615384615363 1990 0.857871551124735 1991 -3.42528735632201 1992 -4.27874315639129 1993 5.4522847373328 1994 31.8410168416385 1995 19.8724349483472 1996 4.54072771540235 1997 3.01650540694366 1998 7.93571069814148 1999 0.372266170311928 2000 4.80228886901398 2001 8.82538925854966 2002 7.5924784983324 2003 7.32354399351809 2004 4.21968787094834 2005 5.63163351357613 2006 4.41589984169561 2007 2.80373831775704 2008 6.55176691184535 2009 4.69106567747375 2010 7.78916547991184 2011 4.805389221557 2012 3.65662048278806 2013 2.94887694639662 2014 4.30999866149107 2015 1.67663085315988 2016 1.41193915479015 2017 0.74435474661241 2018 1.06007410662171 2019 1.53027528964189 2020 4.76669523944228 2021 -0.0971007664640198 2022 4.78671704710803