in	US/CA	cm	AU/UK	EU
9.4	6	24	5	38
9.8	7	25	6	39
10	7.5	25.5	6.5	40
10.4	8.5	26.5	7.5	41
10.6	9	27	8	42
11	10	28	9	43
11.4	11	29	10	44
11.8	12	30	11	45
12	13	30.5	12	46