Year % of GDP 1977 104.79978912139 1978 110.079557588994 1979 110.183677888532 1980 111.258808244753 1981 116.254809748612 1982 106.224036091321 1983 92.8423119525806 1984 96.6052709500926 1985 94.7163996261396 1986 94.9006816476647 1987 96.4587253855065 1988 93.2428010027575 1989 102.529170897954 1990 87.9887424532181 1991 90.3583215543947 1992 88.5579895419747 1993 85.3744839026981 1994 85.8261288472142 1995 100.928191993157 1996 100.55442232301 1997 101.591039590796 1998 101.354911765762 1999 103.776360723391 2000 103.926707508915 2001 104.534383718535 2002 103.861793882255 2003 98.1459265769532 2004 96.9841930842949 2005 100.512441817854 2006 117.145663144847 2007 112.611646371432 2008 114.344683781036 2009 100.485924732541 2010 101.518604738453 2011 105.520716724672 2012 100.60984098934 2013 97.6585278808743 2014 94.9331936125779 2015 91.7842375011773 2016 106.189626231777