YearPToutPBase 100
201094.29%100
201194.18%100.3
201296.14%100.7
201396.02%101
201496.96%101.4
201596.38%101.7
201697.93%102.1
201794.95%102.4
201895.1%102.7
2019100%103.1
202098.35%103.4
202197.66%103.8
Evolution : 3 % entre 2010 et 2021 soit 0.31 % de gain par an.