YearPToutPBase 100
201196.84%100
201292.36%100.3
201393.56%100.6
201496.32%100.8
201597.8%101.1
201697.29%101.4
201795.31%101.7
201893.29%102
201997.96%102.2
202095.53%102.5
202196.18%102.8
2022100%103.1
Evolution : 3 % entre 2011 et 2022 soit 0.25 % de gain par an.