Year annual % 1990 16.2679419846371 1991 17.6894402203167 1992 13.1992044095149 1993 6.5571581914609 1994 7.95220772509668 1995 11.4272817104485 1996 11.5802068693934 1997 5.70504335822339 1998 7.05112676533632 1999 2.41156588906529 2000 5.19540520801752 2001 1.87009365776751 2002 2.82075739734616 2003 6.32999229252485 2004 7.96770950924268 2005 5.94079763021928 2006 13.6636795403543 2007 7.37335386111839 2008 10.381181762675 2009 -2.41989432827502 2010 8.77750811554523 2011 14.6023542400665 2012 7.10027550115058 2013 5.99538836854924 2014 2.04949772560468 2015 -4.62060225845632 2016 -1.35487058059017 2017 6.06139996218435 2018 3.05626575345299 2019 -0.693003271755344 2020 -1.8543866829455 2021 3.95611968532512 2022 5.12446443182509 2023 1.69955321481343