YearPToutPBase 100
201083.37%100
2011100%100.5
201293.5%101
201388.28%101.5
201489.03%102
201596.6%102.5
201688.22%102.9
201786.87%103.4
201895.69%103.9
201997.67%104.4
Evolution : 4 % entre 2010 et 2019 soit 0.43 % de gain par an.