Year: 1947
Strikes involving more than 1,000 workers: 270
Year: 1948
Strikes involving more than 1,000 workers: 245
Year: 1949
Strikes involving more than 1,000 workers: 262
Year: 1950
Strikes involving more than 1,000 workers: 424
Year: 1951
Strikes involving more than 1,000 workers: 415
Year: 1952
Strikes involving more than 1,000 workers: 470
Year: 1953
Strikes involving more than 1,000 workers: 437
Year: 1954
Strikes involving more than 1,000 workers: 265
Year: 1955
Strikes involving more than 1,000 workers: 363
Year: 1956
Strikes involving more than 1,000 workers: 287
Year: 1957
Strikes involving more than 1,000 workers: 279
Year: 1958
Strikes involving more than 1,000 workers: 332
Year: 1959
Strikes involving more than 1,000 workers: 245
Year: 1960
Strikes involving more than 1,000 workers: 222
Year: 1961
Strikes involving more than 1,000 workers: 195
Year: 1962
Strikes involving more than 1,000 workers: 211
Year: 1963
Strikes involving more than 1,000 workers: 181
Year: 1964
Strikes involving more than 1,000 workers: 246
Year: 1965
Strikes involving more than 1,000 workers: 268
Year: 1966
Strikes involving more than 1,000 workers: 321
Year: 1967
Strikes involving more than 1,000 workers: 381
Year: 1968
Strikes involving more than 1,000 workers: 392
Year: 1969
Strikes involving more than 1,000 workers: 412
Year: 1970
Strikes involving more than 1,000 workers: 381
Year: 1971
Strikes involving more than 1,000 workers: 298
Year: 1972
Strikes involving more than 1,000 workers: 250
Year: 1973
Strikes involving more than 1,000 workers: 317
Year: 1974
Strikes involving more than 1,000 workers: 424
Year: 1975
Strikes involving more than 1,000 workers: 235
Year: 1976
Strikes involving more than 1,000 workers: 231
Year: 1977
Strikes involving more than 1,000 workers: 298
Year: 1978
Strikes involving more than 1,000 workers: 219
Year: 1979
Strikes involving more than 1,000 workers: 235
Year: 1980
Strikes involving more than 1,000 workers: 187
Year: 1981
Strikes involving more than 1,000 workers: 145
Year: 1982
Strikes involving more than 1,000 workers: 96
Year: 1983
Strikes involving more than 1,000 workers: 81
Year: 1984
Strikes involving more than 1,000 workers: 62
Year: 1985
Strikes involving more than 1,000 workers: 54
Year: 1986
Strikes involving more than 1,000 workers: 69
Year: 1987
Strikes involving more than 1,000 workers: 46
Year: 1988
Strikes involving more than 1,000 workers: 40
Year: 1989
Strikes involving more than 1,000 workers: 51
Year: 1990
Strikes involving more than 1,000 workers: 44
Year: 1991
Strikes involving more than 1,000 workers: 40
Year: 1992
Strikes involving more than 1,000 workers: 35
Year: 1993
Strikes involving more than 1,000 workers: 35
Year: 1994
Strikes involving more than 1,000 workers: 45
Year: 1995
Strikes involving more than 1,000 workers: 31
Year: 1996
Strikes involving more than 1,000 workers: 37
Year: 1997
Strikes involving more than 1,000 workers: 29
Year: 1998
Strikes involving more than 1,000 workers: 34
Year: 1999
Strikes involving more than 1,000 workers: 17
Year: 2000
Strikes involving more than 1,000 workers: 39
Year: 2001
Strikes involving more than 1,000 workers: 29
Year: 2002
Strikes involving more than 1,000 workers: 19
Year: 2003
Strikes involving more than 1,000 workers: 14
Year: 2004
Strikes involving more than 1,000 workers: 17
Year: 2005
Strikes involving more than 1,000 workers: 22
Year: 2006
Strikes involving more than 1,000 workers: 20
Year: 2007
Strikes involving more than 1,000 workers: 21
Year: 2008
Strikes involving more than 1,000 workers: 15
Year: 2009
Strikes involving more than 1,000 workers: 5
Year: 2010
Strikes involving more than 1,000 workers: 11
Year: 2011
Strikes involving more than 1,000 workers: 19
Year: 2012
Strikes involving more than 1,000 workers: 19
Year: 2013
Strikes involving more than 1,000 workers: 15
Year: 2014
Strikes involving more than 1,000 workers: 11