YearPToutPBase 100
201191.61%100
201294.55%100.4
201395.26%100.9
201496.27%101.3
201596.54%101.8
201697.52%102.2
201775.59%102.7
201898.87%103.1
2019100%103.6
202097.08%104
202198.18%104.5
202297.96%104.9
Evolution : 4 % entre 2011 et 2022 soit 0.40 % de gain par an.