Work stoppages involving 1,000 or more workers, 1950-2004 Period Number of work stoppages beginning in period 1950 424 1951 415 1952 470 1953 437 1954 265 1955 363 1956 287 1957 279 1958 332 1959 245 1960 222 1961 195 1962 211 1963 181 1964 246 1965 268 1966 321 1967 381 1968 392 1969 412 1970 381 1971 298 1972 250 1973 317 1974 424 1975 235 1976 231 1977 298 1978 219 1979 235 1980 187 1981 145 1982 96 1983 81 1984 62 1985 54 1986 69 1987 46 1988 40 1989 51 1990 44 1991 40 1992 35 1993 35 1994 45 1995 31 1996 37 1997 29 1998 34 1999 17 2000 39 2001 29 2002 19 2003 14 2004 17