Year % GDP 1980 9.680541833440788 1981 11.536435485960723 1982 14.887997504720571 1983 15.58381819760752 1984 17.779490619701612 1985 20.173921672958844 1986 23.602991440905974 1987 25.094197981202864 1988 29.898849299953273 1989 37.1792993019098 1990 51.83898338013019 1991 51.923322116225876 1992 49.472746547023775 1993 48.981459524925725 1994 51.9353136429127 1995 53.52639225053745 1996 55.46559312613601 1997 60.84890164949327 1998 53.23789031376814 1999 20.592842835470037 2000 19.90854065122579 2001 20.290527077934936 2002 21.276695498062555 2003 22.9497427786992 2004 26.39252554263977 2005 26.42785321992872 2006 24.606034035554536 2007 25.45599020548062 2008 26.553479827211333 2009 25.127838482070786 2010 24.536345848247027 2011 26.959266823762857 2012 29.960717046440138 2013 32.45528024593673 2014 33.006378246525756 2015 33.1599590763266 2016 33.18747570769599 2017 32.47067249081568 2018 32.809912815838196 2019 32.53794500293583 2020 33.212449731865554 2021 32.06832760773908 2022 30.61048945825473 2023 31.331239482414368