YearPToutPBase 100
201182.33%100
201281.77%100.4
201382.14%100.7
201481.85%101.1
201577.52%101.4
201681.91%101.8
201781.64%102.1
201879.93%102.5
201977.79%102.9
2020100%103.2
202176.64%103.6
Evolution : 3 % entre 2011 et 2021 soit 0.32 % de gain par an.