Year annual % growth 1987 13.80198271035249 1988 -5.684127131451149 1989 5.341614901048203 1990 3.390330185977433 1991 3.5642999756585425 1992 3.9435603951873333 1993 4.2212570806593845 1994 4.355546178738095 1995 3.053843927990215 1996 4.316931947334808 1997 6.478148890665864 1998 4.630891407612367 1999 6.605255799859904 2000 2.946603478152767 2001 5.926133925396513 2002 4.211069129098789 2003 3.5262605134700067 2004 3.2072439289818817 2005 1.3397753649901887 2006 2.99962975180388 2007 1.658177256294607 2008 4.310235507785592 2009 -6.586099788698576 2010 19.14761447108171 2011 6.3691503877711995 2012 4.716278745935924 2013 6.442735640454458 2014 3.3207367050500807 2015 7.6039997414369935 2016 4.828723952619967 2017 18.497930786571885 2018 5.634074756653632 2019 16.13095297853782 2020 0.08644238644642144 2021 8.301885617157012 2022 4.700000001854093 2023 5.781578791054855