YearPToutPBase 100
201096.38%100
201193.11%100.1
201296.88%100.2
201390.23%100.4
201497.64%100.5
201595.87%100.6
201699.65%100.7
201796.72%100.8
201894.96%100.9
201996.03%101.1
2020100%101.2
202196.53%101.3
202292.73%101.4
Evolution : 1 % entre 2010 et 2022 soit 0.11 % de gain par an.