Year % GDP 1966 0.29803702111966135 1967 1.345220088940674 1968 1.8653370422178295 1969 1.7443734240362603 1972 4.9431031721238785 1974 5.291776239276024 1975 5.576588558449902 1976 7.71296951661175 1977 8.421807626479145 1978 8.995638441967897 1979 9.171581975422782 1980 9.916857474982644 1981 10.725167482890154 1982 10.568056367492332 1983 11.759683204726102 1984 11.61412917347495 1985 10.259591466870523 1986 8.62334072687521 1987 7.443513745226533 1988 8.113568904362959 1989 9.917563730102213 1990 12.705247228230727 1991 11.6720213452325 1992 10.220011565206713 1993 12.50365531267273 1994 14.578285470282308 1995 12.669626956259673 1996 11.629175384055875 1997 3.9298966037908003 1998 6.633234954362351 1999 6.483117789942677 2000 4.946982180225695 2001 8.160975302039521 2002 7.882757927392949 2003 7.599113892159707 2004 6.866012638151669 2005 5.94367546355193 2006 3.8484977917938625 2007 3.6493873288451164 2008 3.9492563146059636 2009 6.307653354398959 2010 5.8019662774941105 2011 6.371160399567931 2012 4.395222276101798 2013 5.57096846082349 2014 6.037982612013993 2015 7.201220806748892 2016 8.022948169412329 2017 8.56124076829681 2018 8.903369128025542 2019 9.411936944846763 2020 11.968074007850834 2021 11.123127783752023 2022 12.15823507465441