Year annual % 1987 -0.08454208467961166 1988 6.380933346489186 1989 -2.523358906900313 1990 1.1116974198802012 1991 -4.462045651533515 1992 10.084921414983782 1993 -0.4320290103964197 1994 0.5065059232457685 1995 3.945850623757252 1996 3.908635251729663 1997 1.1771163875562252 1998 -1.333076430132138 1999 4.40174406909874 2000 -2.6344087005203107 2001 0.7922777771997858 2002 -2.206682895615117 2003 1.0917194801872654 2004 5.805681988001112 2005 9.790941254287503 2006 -0.46716612385446865 2007 2.840015741061876 2008 -0.5071801385976471 2009 -1.5911005118191213 2010 -0.04393743246447457 2011 1.8480196905895667 2012 2.0927737797530312 2013 1.3843453756261113 2014 4.218980033077941 2015 1.7104026498751637 2016 6.524926012000407 2017 5.517482930271811 2018 5.571868016595815 2019 3.886666682734358 2020 -4.501245108432613 2021 7.450824759526313 2022 5.126820788234298 2023 0.02970132811950066