YearPToutPBase 100
201193.64%100
201291.55%100.6
201392.38%101.2
201494.12%101.8
201593.97%102.4
201695.47%103
201798.7%103.6
201897.07%104.1
2019100%104.7
202094.24%105.3
202196.85%105.9
Evolution : 5 % entre 2011 et 2021 soit 0.52 % de gain par an.