SEX	SOCIAL CLASS	DEGREE OF DIFFICULTY	Total
BOTH SEXES	Total	Total	100.00
BOTH SEXES	Total	No difficulty	62.52
BOTH SEXES	Total	With some difficulty	16.58
BOTH SEXES	Total	With great difficulty	7.77
BOTH SEXES	Total	Cannot do it at all	13.07
BOTH SEXES	Total	Has not tried or needed to	0.07
BOTH SEXES	I	Total	100.00
BOTH SEXES	I	No difficulty	76.52
BOTH SEXES	I	With some difficulty	13.52
BOTH SEXES	I	With great difficulty	5.23
BOTH SEXES	I	Cannot do it at all	4.72
BOTH SEXES	I	Has not tried or needed to	0.00
BOTH SEXES	II	Total	100.00
BOTH SEXES	II	No difficulty	67.98
BOTH SEXES	II	With some difficulty	16.47
BOTH SEXES	II	With great difficulty	7.44
BOTH SEXES	II	Cannot do it at all	8.12
BOTH SEXES	II	Has not tried or needed to	0.00
BOTH SEXES	III	Total	100.00
BOTH SEXES	III	No difficulty	65.17
BOTH SEXES	III	With some difficulty	17.11
BOTH SEXES	III	With great difficulty	7.12
BOTH SEXES	III	Cannot do it at all	10.61
BOTH SEXES	III	Has not tried or needed to	0.00
BOTH SEXES	IV	Total	100.00
BOTH SEXES	IV	No difficulty	60.24
BOTH SEXES	IV	With some difficulty	16.44
BOTH SEXES	IV	With great difficulty	8.42
BOTH SEXES	IV	Cannot do it at all	14.62
BOTH SEXES	IV	Has not tried or needed to	0.28
BOTH SEXES	V	Total	100.00
BOTH SEXES	V	No difficulty	58.80
BOTH SEXES	V	With some difficulty	17.04
BOTH SEXES	V	With great difficulty	7.83
BOTH SEXES	V	Cannot do it at all	16.30
BOTH SEXES	V	Has not tried or needed to	0.04
BOTH SEXES	VI	Total	100.00
BOTH SEXES	VI	No difficulty	55.80
BOTH SEXES	VI	With some difficulty	18.40
BOTH SEXES	VI	With great difficulty	9.91
BOTH SEXES	VI	Cannot do it at all	15.81
BOTH SEXES	VI	Has not tried or needed to	0.09
BOTH SEXES	Not recorded	Total	100.00
BOTH SEXES	Not recorded	No difficulty	44.05
BOTH SEXES	Not recorded	With some difficulty	16.16
BOTH SEXES	Not recorded	With great difficulty	11.92
BOTH SEXES	Not recorded	Cannot do it at all	27.63
BOTH SEXES	Not recorded	Has not tried or needed to	0.25
Men	Total	Total	100.00
Men	Total	No difficulty	73.04
Men	Total	With some difficulty	13.30
Men	Total	With great difficulty	5.12
Men	Total	Cannot do it at all	8.49
Men	Total	Has not tried or needed to	0.05
Men	I	Total	100.00
Men	I	No difficulty	84.59
Men	I	With some difficulty	9.80
Men	I	With great difficulty	2.11
Men	I	Cannot do it at all	3.50
Men	I	Has not tried or needed to	0.00
Men	II	Total	100.00
Men	II	No difficulty	79.55
Men	II	With some difficulty	11.64
Men	II	With great difficulty	4.69
Men	II	Cannot do it at all	4.12
Men	II	Has not tried or needed to	0.00
Men	III	Total	100.00
Men	III	No difficulty	74.16
Men	III	With some difficulty	13.02
Men	III	With great difficulty	5.43
Men	III	Cannot do it at all	7.40
Men	III	Has not tried or needed to	0.00
Men	IV	Total	100.00
Men	IV	No difficulty	68.64
Men	IV	With some difficulty	16.01
Men	IV	With great difficulty	5.58
Men	IV	Cannot do it at all	9.58
Men	IV	Has not tried or needed to	0.19
Men	V	Total	100.00
Men	V	No difficulty	68.73
Men	V	With some difficulty	14.42
Men	V	With great difficulty	5.36
Men	V	Cannot do it at all	11.44
Men	V	Has not tried or needed to	0.06
Men	VI	Total	100.00
Men	VI	No difficulty	69.19
Men	VI	With some difficulty	13.08
Men	VI	With great difficulty	7.61
Men	VI	Cannot do it at all	10.12
Men	VI	Has not tried or needed to	0.00
Men	Not recorded	Total	100.00
Men	Not recorded	No difficulty	65.86
Men	Not recorded	With some difficulty	10.74
Men	Not recorded	With great difficulty	8.52
Men	Not recorded	Cannot do it at all	14.60
Men	Not recorded	Has not tried or needed to	0.28
Women	Total	Total	100.00
Women	Total	No difficulty	53.57
Women	Total	With some difficulty	19.37
Women	Total	With great difficulty	10.02
Women	Total	Cannot do it at all	16.96
Women	Total	Has not tried or needed to	0.08
Women	I	Total	100.00
Women	I	No difficulty	67.57
Women	I	With some difficulty	17.65
Women	I	With great difficulty	8.70
Women	I	Cannot do it at all	6.08
Women	I	Has not tried or needed to	0.00
Women	II	Total	100.00
Women	II	No difficulty	57.83
Women	II	With some difficulty	20.70
Women	II	With great difficulty	9.85
Women	II	Cannot do it at all	11.62
Women	II	Has not tried or needed to	0.00
Women	III	Total	100.00
Women	III	No difficulty	57.54
Women	III	With some difficulty	20.58
Women	III	With great difficulty	8.56
Women	III	Cannot do it at all	13.33
Women	III	Has not tried or needed to	0.00
Women	IV	Total	100.00
Women	IV	No difficulty	51.27
Women	IV	With some difficulty	16.91
Women	IV	With great difficulty	11.46
Women	IV	Cannot do it at all	19.99
Women	IV	Has not tried or needed to	0.37
Women	V	Total	100.00
Women	V	No difficulty	50.16
Women	V	With some difficulty	19.33
Women	V	With great difficulty	9.97
Women	V	Cannot do it at all	20.52
Women	V	Has not tried or needed to	0.02
Women	VI	Total	100.00
Women	VI	No difficulty	48.36
Women	VI	With some difficulty	21.36
Women	VI	With great difficulty	11.18
Women	VI	Cannot do it at all	18.97
Women	VI	Has not tried or needed to	0.13
Women	Not recorded	Total	100.00
Women	Not recorded	No difficulty	37.26
Women	Not recorded	With some difficulty	17.85
Women	Not recorded	With great difficulty	12.98
Women	Not recorded	Cannot do it at all	31.68
Women	Not recorded	Has not tried or needed to	0.24