Evolution des notes des volumes selon les chroniques:
16.00,15.87,16.25,15.75,15.75,16.25,16.25,16.00,16.37,16.50,17.75,15.75,16.00,15.50,16.00,17.62,15.87,16.25,19.00,16.12,17.00,16.50,16.37,16.50,17.00,17.37,19.50