YearPToutPBase 100
201293.42%100
201394.25%100.2
2014100%100.4
201595.93%100.6
201690.54%100.8
201797.64%101
201898.18%101.2
201998.34%101.4
202096.72%101.6
202194.38%101.8
Evolution : 1 % entre 2012 et 2021 soit 0.18 % de gain par an.