YearPToutPBase 100
201192.39%100
201292.18%100.5
201397.14%101
201497.38%101.5
201597.37%102
201697.18%102.6
201796.61%103.1
201897.57%103.6
2019100%104.1
202098%104.6
202196.67%105.1
Evolution : 5 % entre 2011 et 2021 soit 0.45 % de gain par an.