Social class	Yes or not	Total
Total	Total	100.00
Total	Yes	86.30
Total	Not	13.70
I	Total	100.00
I	Yes	91.88
I	Not	8.12
II	Total	100.00
II	Yes	90.95
II	Not	9.05
III	Total	100.00
III	Yes	88.37
III	Not	11.63
IV	Total	100.00
IV	Yes	88.95
IV	Not	11.05
V	Total	100.00
V	Yes	84.34
V	Not	15.66
VI	Total	100.00
VI	Yes	82.81
VI	Not	17.19
No data recorded	Total	100.00
No data recorded	Yes	74.10
No data recorded	Not	25.90