a &quot; Stable &quot; refers to an estimated variation of under 10 per cent; &quot; some increase &quot; and &quot; some decrease &quot; refer to an estimated variation of between 10 and 25 per cent; &quot; large increase &quot; and &quot; large decrease &quot; refer to an estimated variation of more than 25 per cent.
a &quot; Stable &quot; correspond à une variation estimée inférieure à 10 %; &quot; légère hausse &quot; et &quot; légère baisse &quot; à une variation estimée comprise entre 10 et 25 %; &quot; forte hausse &quot; et &quot; forte baisse &quot; à une variation estimée supérieure à 25 %.