YearPToutPBase 100
201195.35%100
201294.64%100.4
201392.98%100.9
201492.26%101.3
201596.14%101.8
201698.11%102.2
201793.43%102.7
201893.14%103.1
201994.54%103.5
2020100%104
202199.42%104.4
Evolution : 4 % entre 2011 et 2021 soit 0.39 % de gain par an.