YearPToutPBase 100
201193.21%100
201291.84%100.6
201396.42%101.3
201496.19%101.9
201596.95%102.6
201695.1%103.2
201787.74%103.9
201899.88%104.5
201998.66%105.2
2020100%105.8
Evolution : 5 % entre 2011 et 2020 soit 0.57 % de gain par an.