Year % GDP 1977 46.00889703330732 1978 44.98260040976205 1979 45.096335371084706 1980 39.72023457207486 1981 41.66198836323931 1982 43.41259062623896 1983 46.94875339659243 1984 49.97481855868057 1985 55.307297330535874 1986 62.18686010578973 1987 62.539669273695 1988 61.41117826784077 1989 65.8365307453868 1990 72.96921341009087 1991 75.0749512225459 1992 76.84478902297427 1993 82.95327716805984 1994 81.93662452789049 1995 83.80786652533074 1996 89.54932202104405 1997 97.22129317484963 1998 102.13972363365407 1999 98.94425084465047 2000 97.03512919965853 2001 96.64669043740881 2002 101.33533967983631 2003 106.67213436197677 2004 102.70598909790053 2005 97.71521191572752 2006 94.82747826627767 2007 93.2637358230487 2008 91.06388516390352 2009 110.03187610766024 2010 110.01088656919278 2011 108.66625504270412 2012 114.68439442642088 2013 120.76889228522134 2014 126.7912074963471 2015 138.26837180457284 2016 140.87704423950666 2017 139.95550484714246 2018 143.4861736204349 2019 149.29387485511492 2020 165.96099425489246 2021 163.07250430309637 2022 169.19604831503727 2023 176.78731430267652