Year annual % 1987 3.591970069243075 1988 3.1084392050033642 1989 3.962543012194743 1990 5.769869904630838 1991 5.614859816218228 1992 3.8223351167833215 1993 5.300314057652429 1994 6.287975361268948 1995 3.3758374912745666 1996 3.2594864230355682 1997 3.7042377527197345 1998 6.592950501842282 1999 2.190060660924928 2000 1.0361008026952447 2001 -2.835502412530815 2002 4.434688133420224 2003 3.0490462011099737 2004 2.809909708930533 2005 5.067497229686694 2006 3.4843461954361317 2007 5.16689296887391 2008 4.262449001765887 2009 1.7032804481383863 2010 -1.2234065506842455 2011 4.005674214028815 2012 0.18403270134612626 2013 -1.99594849465619 2014 3.9588974101928187 2015 6.8312869361569994 2016 -1.0027996970366218 2017 -3.1781667983355533 2018 3.4775466439700438 2019 6.094207493859898 2020 -0.8713246359461806 2021 -4.990168079512671 2022 3.412842252338976