Year % of GDP 1960 56.95681973954764 1961 52.981795354676706 1962 44.88330341113106 1963 46.13342183869897 1964 53.519017669961066 1965 57.655172413793096 1966 60.15946502057613 1967 59.79308723254173 1968 55.146898803046795 1969 55.43521861211392 1970 57.00149365197908 1971 54.68888494947704 1972 58.768563323877856 1973 68.88957816377172 1974 66.4187702943333 1975 74.90526315789474 1976 91.00431300061615 1977 78.76767137903441 1978 63.0985248875917 1979 69.22554860116131 1980 93.64058355437666 1981 92.31059438388193 1982 70.08298755186722 1983 64.57765667574932 1984 51.35898668917699 1985 61.882051282051286 1986 53.21198401898543 1987 90.76258443848678 1988 67.93137186881034 1989 73.5334050455027 1990 79.85956003292283 1991 120.2945606426115 1992 149.22466255830872 1993 131.04684628915498 1994 117.11586797061682 1995 112.11660201402762 1996 108.71622317811993 1997 109.47660608457011 1998 107.90967660674147 1999 104.55084306215461 2000 110.68739726314072 2001 106.70271738886 2002 104.42189293658227 2003 99.48579367503332 2004 105.16261371891993 2005 109.72788873860486