Year SIPRI trend indicator values 1960 3000000 1961 0 1962 12000000 1963 8000000 1964 1000000 1966 13000000 1967 44000000 1968 32000000 1969 21000000 1970 79000000 1971 42000000 1973 28000000 1974 154000000 1980 158000000 1982 427000000 1983 207000000 1994 85000000 1997 14000000