YearPToutPBase 100
201093.27%100
201194.41%100.6
201293.65%101.2
201396.89%101.7
201498.73%102.3
201596.61%102.9
201694.81%103.5
201795.86%104
2018100%104.6
201998.68%105.2
202099.57%105.8
202199.47%106.4
Evolution : 6 % entre 2010 et 2021 soit 0.52 % de gain par an.