YearPToutPBase 100
201195.16%100
201294.84%100.5
201395.93%100.9
201498.13%101.4
201596.16%101.8
201696.96%102.3
201795.96%102.7
2018100%103.2
201999.81%103.6
202097.52%104.1
Evolution : 4 % entre 2011 et 2020 soit 0.40 % de gain par an.