YearPToutPBase 100
201194.09%100
201295.01%100.4
201395.05%100.7
201497.57%101.1
201597.32%101.5
2016100%101.9
201795.85%102.2
201898.53%102.6
201996.72%103
202097.56%103.3
Evolution : 3 % entre 2011 et 2020 soit 0.33 % de gain par an.