Average weekly hours for managers and professionals, 1989-99

	Total,managers 		Managers		Professionals
	and professionals	
1989	42.6			44.6			40.6
1990	42.3			44.2			40.3
1991	42.2			44.1			40.2
1992	41.7			43.7			39.8
1993	42.2			44.3			40.2
1994	41.9			44.0			40.0
1995	42.0			44.0			40.1
1996	41.9			43.9			40.0
1997	42.1			44.0			40.2
1998	41.8			43.6			39.9
1999	42.0			43.9			40.2