translate English to French: 9) Old Age Security/Guaranteed Income Supplement payments are expected to raise between 0.5% and 1% of Gross Domestic Product by 2030 and public health costs are expected to raise between 2.5% and 4% of Gross Domestic Product by 2040.
9) Les versements de la Sécurité de la vieillesse et du Supplément de revenu garanti devraient augmenter de 0.5 p. 100 à 1 p.