Year annual % 1984 8.9000000000001 1985 7.25436179981635 1986 6.16438356164371 1987 8.2258064516129 1988 7.19696969696955 1989 7.74088603961336 1990 6.54529307282414 1991 8.19371509544085 1992 5.82434514637906 1993 3.9749563191613 1994 4.73323063996595 1995 6.24415028747146 1996 3.72514472690715 1997 3.65202620723071 1998 3.12536579655862 1999 2.6901248581158 2000 2.96230794738605 2001 1.98333333333337 2002 2.72103284850455 2003 2.71259247474352 2004 3.63228004956625 2005 2.01778641357144 2006 3.22525337438917 2007 2.96694432477349 2008 4.34502807623045 2009 3.66490330642919 2010 3.33897963601069 2011 3.24002842009531 2012 4.6118443220664 2013 5.31623531326689 2014 4.62555099534031 2015 4.437371273215 2016 3.62939937384381 2017 5.30884839565844 2018 7.30759176031652 2019 6.72007532863799 2020 5.63415115897625 2021 5.706350208307 2022 8.30646124447623 2023 9.32899597507865