Number of major work stoppages beginning each month, and number of workers 
involved in major work stoppages beginning each month, January 1999-May 2009
			


		Number of work stoppages	Number of workers involved  
		idling 1,000 workers or		in major work stoppages 
		more beginning in month		beginning in month

1999	Jan		   2				    2,800
	Feb		   2				    4,100
	Mar		   1				    1,100
	Apr		   2			 	   19,000
	May		   3				    9,600
	Jun		   2				    2,200
	Jul		   1				    1,700
	Aug		   1				   11,000
	Sep		   2				   19,100
	Oct		   0					0
	Nov		   1				    2,000
	Dec		   0					0
2000	Jan		   0					0
	Feb		   1				   17,000
	Mar		   2				    5,700
	Apr		   6				   26,700
	May		   2				  136,900
	Jun		   5				   11,400
	Jul		   3				    7,200
	Aug		   6				   99,200
	Sep		   5				   20,300
	Oct		   7				   60,300
	Nov		   0				      300 *
	Dec		   2				    8,700
2001	Jan		   1				    2,000
	Feb		   1				    1,200
	Mar		   3				    7,800
	Apr		   4				   19,400
	May		   7				   22,100
	Jun		   3				    4,700
	Jul		   2				    2,200
	Aug		   3				    5,800
	Sep		   2				    3,000
	Oct		   1				   24,900
	Nov		   0					0
	Dec		   2				    6,000
2002	Jan		   0					0
	Feb		   1				    1,500
	Mar		   1				    2,900
	Apr		   2				    4,100
	May		   3				    5,100
	Jun		   1				    1,500
	Jul		   3				    6,700
	Aug		   1				    3,500
	Sep		   3				   13,700
	Oct		   1				    1,200
	Nov		   2				    4,300
	Dec		   1				    1,400
2003	Jan		   1				   17,500
	Feb		   0					0
	Mar		   2				    4,000
	Apr		   1				    4,000
	May		   1				    1,300
	Jun		   1				    4,000
	Jul		   0					0
	Aug		   3				    8,200
	Sep		   0					0
	Oct		   5				   82,200
	Nov		   0				    8,000 *
	Dec		   0					0
2004	Jan		   0					0
	Feb		   1				    6,700
	Mar		   1				    2,200
	Apr		   0					0
	May		   2				  103,000
	Jun		   3				   27,600
	Jul		   0					0
	Aug		   2				    3,700
	Sep		   2				    4,500
	Oct		   1				   10,000
	Nov		   2				    3,200
	Dec		   3				    9,800
2005	Jan		   0					0
	Feb		   0					0
	Mar		   3				    5,900
	Apr		   4				   12,800
	May		   5				    9,600
	Jun		   4				    5,500
	Jul		   1				    1,500
	Aug		   1				    4,200
	Sep		   1				   18,300
	Oct		   1				    5,300
	Nov		   1				    1,500
	Dec		   1				   35,000
2006	Jan		   0					0
	Feb		   1				    3,600
	Mar		   2				    4,200
	Apr		   2				    3,100
	May		   1				    5,000
	Jun		   4				   10,800
	Jul		   1				    3,000
	Aug		   4				   19,600
	Sep		   1				    3,900
	Oct		   3				   15,000
	Nov		   1				    1,900
	Dec		   0					0
2007	Jan		   0					0
	Feb		   1				    2,800
	Mar		   2				    7,800
	Apr		   3				    5,500
	May		   0					0
	Jun		   2				    4,000
	Jul		   1				    1,100
	Aug		   1				    1,000
	Sep		   5				  108,300
	Oct		   3				   41,700
	Nov		   1				   10,500
	Dec		   2				    6,500
2008	Jan		   0					0
	Feb		   2				    6,100
	Mar		   2				    5,700
	Apr		   1				    2,300
	May		   2				    4,200
	Jun		   2				    4,200
	Jul		   1				    8,500
	Aug		   2				    7,000
	Sep		   2				   28,200
	Oct		   1				    6,000
	Nov		   0					0
	Dec		   0					0
2009	Jan		   0					0
	Feb		   0					0
	Mar		   0					0
	Apr		   0					0
	May		   0					0 (P)

P = preliminary	

* Reflects an increase in the number of workers idled by a work stoppage in effect.