Range("A1").AutoFilter
Range("CB1").FormulaR1C1 = "Risk max avant PSA"
Range("CC1").FormulaR1C1 = "Risk PSA"
Range("CD1").FormulaR1C1 = "Risk levé avant PSA"
Range("CB2:CB" & Cells(Rows.Count, 79).End(xlUp).Row).FormulaR1C1 = _
"=MAX(SUM(RC[-20]:RC[-17]),SUM(RC[-16]:RC[-13]),SUM(RC[-12]:RC[-9]),SUM(RC[-8]:RC[-5]))"