SEX	SOCIAL CLASS	INDICATOR	Total
BOTH SEXES	Total	Mean	69.26
BOTH SEXES	Total	Standard deviation	22.48
BOTH SEXES	I	Mean	70.42
BOTH SEXES	I	Standard deviation	19.40
BOTH SEXES	II	Mean	70.87
BOTH SEXES	II	Standard deviation	20.68
BOTH SEXES	III	Mean	68.99
BOTH SEXES	III	Standard deviation	22.05
BOTH SEXES	IV	Mean	68.58
BOTH SEXES	IV	Standard deviation	23.26
BOTH SEXES	V	Mean	69.39
BOTH SEXES	V	Standard deviation	23.58
BOTH SEXES	VI	Mean	68.70
BOTH SEXES	VI	Standard deviation	23.59
BOTH SEXES	Not recorded	Mean	63.97
BOTH SEXES	Not recorded	Standard deviation	25.54
Men	Total	Mean	72.66
Men	Total	Standard deviation	20.98
Men	I	Mean	72.86
Men	I	Standard deviation	18.07
Men	II	Mean	73.47
Men	II	Standard deviation	18.60
Men	III	Mean	72.18
Men	III	Standard deviation	20.93
Men	IV	Mean	71.91
Men	IV	Standard deviation	21.95
Men	V	Mean	73.10
Men	V	Standard deviation	22.17
Men	VI	Mean	73.48
Men	VI	Standard deviation	21.64
Men	Not recorded	Mean	67.59
Men	Not recorded	Standard deviation	23.40
Women	Total	Mean	66.01
Women	Total	Standard deviation	23.37
Women	I	Mean	67.74
Women	I	Standard deviation	20.42
Women	II	Mean	68.61
Women	II	Standard deviation	22.09
Women	III	Mean	66.00
Women	III	Standard deviation	22.65
Women	IV	Mean	64.69
Women	IV	Standard deviation	24.13
Women	V	Mean	65.84
Women	V	Standard deviation	24.34
Women	VI	Mean	65.05
Women	VI	Standard deviation	24.36
Women	Not recorded	Mean	62.08
Women	Not recorded	Standard deviation	26.39